Might be. I am not enough inside this stuff to really distinguish. But there are other examples, where Apple decides, what is allowed to run on "their" hardware

Might be. I am not enough inside this stuff to really distinguish. But there are other examples, where Apple decides, what is allowed to run on "their" hardware. I as user feel "overprotected" to say it very polite. Also there are other companies that provide services, but don't force the users to use it in the way they think.