Microsoft’s stock price over the last 10 years has soared consistently. They have a lot of admins at small/medium companies very very willfully and loyally locked in to their ecosystem.
Microsoft does not care if they piss off most of these people because they not the ones signing the contracts and the lock-in is SO BAD that even if they piss off the right people, making any change is way more trouble than they are willing to deal with.
There is an entire side of the tech industry with admins who only want to learn powershell and still think you can’t “lock down” Linux and mac machines.