Former Microsoft executive Mat Velloso has sent shockwaves through the tech industry by reportedly declaring that Microsoft has "missed the AI wave." In a statement attributed to May 17, 2026, Velloso criticized the company's execution of its artificial intelligence strategy, pointing to sluggish Copilot adoption, uneven Windows 11 integration, and a faltering enterprise AI rollout. The remarks, made by someone who until recently held a senior role in Microsoft's cloud and AI division, have ignited a fierce debate: Is the world's most valuable company actually behind in the very revolution it helped catalyze?

For a company that poured billions into OpenAI and rebranded its entire product suite around Copilot, the accusation seems almost absurd. Yet a closer look at the numbers—and the real-world experience of Windows users and IT administrators—suggests a more complicated picture. Microsoft's AI push is undeniably massive, but the gap between ambition and execution has left many wondering if the tech giant has overpromised and underdelivered.

The Copilot Everywhere Strategy

Microsoft's AI vision crystallized in 2023 with the launch of Microsoft 365 Copilot, an OpenAI-powered assistant woven into Word, Excel, Teams, and the rest of the productivity stack. The pitch was simple: AI would handle the drudgery of drafting emails, summarizing meetings, and analyzing spreadsheets, freeing knowledge workers to focus on higher-value tasks. In the two years since, the company has extended Copilot to virtually every corner of its ecosystem—GitHub, Azure, Dynamics, Power Platform, and of course Windows itself.

Windows Copilot, first previewed in 2023 and pushed to general availability with Windows 11 version 23H2, marked a historic shift for the operating system. For the first time, a centralized AI assistant lived on the taskbar, capable of adjusting settings, answering questions, and even controlling apps. Microsoft positioned it as the natural evolution of the Start menu and search box, a universal interface that would make navigating Windows intuitive and conversational.

But adoption has been lukewarm. According to multiple surveys of IT professionals, only a fraction of organizations have purchased Copilot for Microsoft 365 licenses, and many of those that did are still in pilot phases. The $30-per-user-per-month price tag is a major deterrent, especially when the productivity gains remain hard to quantify. Enterprise customers, burned by years of overhyped tech, are demanding proof of ROI before scaling up.

When Microsoft launched Windows 11 version 24H2 in late 2024, it was billed as the "AI operating system." The update introduced the controversial Recall feature, AI-powered Windows Studio Effects, and tighter Copilot integration. Most notably, it required a neural processing unit (NPU) for many of its headline AI experiences, firmly tying Windows 11's future to dedicated AI hardware.

This hardware bet—exemplified by the Copilot+ PC lineup from Qualcomm, Intel, and AMD—was supposed to create a virtuous cycle: compelling AI features would drive PC upgrades, which in turn would grow the installed base of NPU-equipped devices, making it pointless for developers to ignore the platform. Two years in, that cycle hasn't materialized. NPU-capable PCs remain a niche. Although Microsoft set a minimum spec of 40 TOPS for Copilot+ PCs, the majority of business and consumer machines still lack an NPU, and many users have no reason to pay a premium for features they don't understand.

Compounding the issue is the uneven user experience. While Copilot on the web and in Office apps shows real utility, the Windows Copilot experience has felt disjointed. Early versions were essentially a wrapper around Bing Chat, limited in system control. Later updates promised deeper integration, but users report that tasks like changing system settings are still clunky. And major features like Recall—designed to make everything you've ever done on your PC searchable—have been mired in privacy controversies and delayed rollouts.

Enterprise Adoption: A Harder Sell

Velloso's reported critique zeroes in on enterprise execution, and for good reason. Microsoft has always been an enterprise-first company, and Copilot's success depends on convincing the Fortune 500 to rewire how their employees work. That means overcoming hurdles around data governance, compliance, and security that consumer products never face.

In interviews with CIOs and IT managers, a common theme emerges: they see the potential but are struggling with implementation. Copilot for Microsoft 365 requires careful data labeling and permissions setup to prevent sensitive information from leaking through AI queries. Organizations must decide whether to use semantic indexing—which indexes all company data to improve Copilot's accuracy—and that raises significant compliance flags in regulated industries. The result is a deployment timeline that stretches from months to years, far longer than Microsoft's marketing implies.

Moreover, the cost equation is shaky. At $30 per user per month, a 10,000-employee company pays $3.6 million annually before it even measures value. For many, that's a gamble they're not willing to take, especially when free or cheaper alternatives from Google, OpenAI, and open-source models are rapidly improving. Microsoft's bundling strategy—tying Copilot to E3/E5 licenses and requiring Azure commitments—further frustrates customers who want to pick and choose.

The Competitive Landscape

While Microsoft was busy integrating AI across its empire, competitors raced ahead with more focused plays. Google, after a rocky start with Bard, rebounded with Gemini, which now underpins Search, Workspace, and Android. Apple, late to the party, unveiled Apple Intelligence at WWDC 2024, emphasizing on-device processing and privacy—values that resonate with both consumers and enterprises wary of cloud-based AI. By 2026, Apple Intelligence runs natively on over a billion devices, and Google's AI features are deeply embedded in ChromeOS and the Pixel ecosystem.

Even more troubling for Microsoft, OpenAI itself has become a competitor. The two companies' partnership remains close, but OpenAI's direct enterprise sales, the wildly popular ChatGPT, and its growing application platform compete with Copilot in many scenarios. Some large enterprises now bypass Microsoft altogether, buying ChatGPT Enterprise licenses and building custom assistants.

In the developer space, GitHub Copilot remains a bright spot, widely adopted and loved by programmers. But here too, challengers like Cursor, Claude, and open-source models built on Llama and Mistral are eroding its dominance. The AI assistant market is fragmenting, and Microsoft's advantage as the default is diminishing.

Inside the Mind of a Former Insider

Mat Velloso's background gives his criticism weight. As a long-time Microsoft technical leader, he helped shape the company's cloud and AI infrastructure. Insiders suggest his departure may have been tied to disagreements over the pace and direction of AI integration. His reported statement that Microsoft has "missed the AI wave" echoes concerns raised by other former employees and analysts: that the company is moving too slowly, that Windows 11 has become a bottleneck, and that the Copilot brand is stretched too thin.

Specifically, Velloso is said to have pointed to the gap between the vision of a truly intelligent Windows and the reality of an operating system still burdened by legacy code and inconsistent AI behaviors. In a world where users expect AI to feel native and instantaneous, Windows 11's Copilot can feel bolted on—a toolbar button rather than a new paradigm.

The Hardware Gamble

No part of Microsoft's AI strategy has been bolder than the Copilot+ PC initiative. By defining a new hardware category built around high-performance NPUs, Microsoft aimed to replicate the success of the "Ultrabook" branding that revitalized the PC market a decade earlier. The first wave of Copilot+ PCs, powered by Qualcomm's Snapdragon X Elite chips, promised all-day battery life and blindingly fast local AI inference.

Critics point out that the Copilot+ lineup has struggled with the same app compatibility issues that plagued Windows on Arm for years. Many essential business applications still run slowly under emulation or not at all. And despite Microsoft's claims, the local AI features—like real-time translation and advanced video effects—are seen as nice-to-haves, not reasons to buy a $1,500 laptop.

The hardware push also fragments the Windows AI story. Only Copilot+ PCs get the full suite of on-device AI capabilities; the remaining billion Windows 11 devices are left with a cloud-dependent Copilot that differs in performance and features. Developers must now target multiple tiers of AI capability, complicating their work.

What Users Are Saying

On Windows forums and social media, the conversation around Copilot in Windows 11 is often one of quiet indifference. Early enthusiasts who tested the assistant found it helpful for simple queries but quickly hit its limits. Users report that Copilot frequently redirects them to web searches instead of performing actions, fails to understand context across different apps, and occasionally hallucinates nonsense. The "wow" factor that accompanied ChatGPT's launch is missing.

More concerning is the sentiment that AI features are being used to justify higher hardware requirements and subscription fees. The Windows Recall feature, intended as a photographic memory for your digital life, was met with such backlash over privacy that Microsoft delayed its launch multiple times and eventually restricted it to select devices with enhanced security chips. Even in 2026, Recall remains an opt-in feature that many users distrust.

Has Microsoft Truly Missed the Wave?

Assessing whether a company with $280 billion in annual revenue has "missed" anything is tricky. Microsoft remains the largest software company in the world, and its AI investments are yielding significant results in Azure, where AI services are driving cloud growth. GitHub Copilot has more than 2 million paid subscribers. And the company's decision to pour $13 billion into OpenAI gave it an early-mover advantage that competitors are still trying to match.

But Velloso's critique speaks to a different kind of failure: the inability to turn technological breakthroughs into transformative user experiences. The AI wave is about seamlessly embedding intelligence into the tools people use every day. On that score, Windows 11 falls short. The operating system feels like it's still catching up to a vision that Apple and Google are executing more elegantly, each on their own terms.

Looking ahead, Microsoft must address three critical gaps. First, simplify and accelerate the enterprise onboarding process so that Copilot becomes a turnkey solution, not a months-long consulting project. Second, refocus Windows AI features around clear, everyday benefits that don't require expensive new hardware. Third, acknowledge that the current Copilot branding is causing confusion—users can't easily distinguish between Copilot in Word, Copilot in Windows, and Copilot in Edge.

The next two to three years will determine whether Microsoft can close these gaps. Windows 12 (or whatever the next major release is called) will need to demonstrate that AI is truly the heart of the experience, not just a sidebar. And the company must rebuild trust with enterprises and consumers who are growing skeptical of promises that outrun reality. Mat Velloso's warning may prove prescient—or it may become the wake-up call that saved Microsoft from a slow descent into irrelevance. For now, the AI wave is still rolling, and Microsoft is fighting to stay on top of it.