Context: I manage Windows 11 laptops for my family...5 machines.
Windows 11 has its issues but this is not it. Create a Microsoft Account, a dummy one, and use the store to disable S-mode. Remove the MS Account and done. It would of been a lot easier and take less time than writing that blog post.
Your real mistake is not installing Windows 11 Pro. Which you can get for $24 from stacksocial. [1] With PowerShell and Group Policy Editor you can clean up a lot of the stuff quickly. It's all well documented on various websites with a quick google search. Treat configuring Windows just like you would configuring your favorite Linux distro...which you are advocating for:
> This post is a reminder to myself that, next time someone needs to be introduced to the world of digital bureaucracy, I should instead install a Linux distribution.
[1] https://www.stacksocial.com/sales/microsoft-windows-11-pro-6