Microsoft has been pushing hard for its users to sign into Windows with a Microsoft Account. The newest Windows 11 installer removed the easy bypass to the requirement that you make an account or login with your existing account. If you didn’t install Windows 11 without a Microsoft Account and now want to stop sending the company your data, you can still switch to a local account after the fact. Microsoft even had instructions on how to do this on its official support website - or at least it used to…
I suspect it’s not dissimilar to the way spam emails are full of typos and grammar errors. You may wonder why they don’t just get those fixed, but they’re specifically to filter out the people who notice them and dismiss the spam, as they (the spammers) are far less likely to successfully scam someone who is offended by the way the spam is written. They are a kind of first level filter.
MS are filtering out the vocal, knowledgable people who will cause problems next time they have some security breach or do something shady around privacy. Convert that relatively small number of people to Linux, and you’re left with a compliant and fully tracked customer base—far more use in the long run.