Not even remotely the same with the biggest difference being that MS was telling other business to shut out competitors or lose access to Windows, which at the

Not even remotely the same with the biggest difference being that MS was telling other business to shut out competitors or lose access to Windows, which at the time was pretty much required for computing. If MS had its own hardware, they would have been free to do what they wanted with it. In fact, Apple will like argue (and has successfully already in the Epic case) that it's the entire ecosystem that the courts have to look at and not any single feature. And at an ecosystem level there is a huge competitor in Android. Apple forcing webkit for example is Apple's choice as they control the entire platform. If they licensed iOS, then it would become harder to make that claim.