If Microsoft tried that, it would probably end up back in court. Microsoft actually has very little power over its large customers, or those customers wouldn't

If Microsoft tried that, it would probably end up back in court. Microsoft actually has very little power over its large customers, or those customers wouldn't still be using XP, launched in 2001. If Microsoft could wave a magic wand then everybody would be on IE11, but it can't. In fact, it can't even make them patch security holes that were fixed years ago.