That's why they won't do it all at once. First they'll introduce a special kind of more limited application where Microsoft has to approve them before you are a

That's why they won't do it all at once. First they'll introduce a special kind of more limited application where Microsoft has to approve them before you are allowed to install them. Then they'll have some editions of Windows only allow those limited applications. Finally they'll keep expanding that until only $$$ enterprise customers can run applications that haven't been approved by Microsoft. These big tech companies are well acquainted with managing consumer backlash for unpopular changes.