They have the right to control what is available in their own app store, whether we like it or not.
Calling their control "monopoly" and "censorship" really dilutes the actual meaning of both terms
It makes more sense read with new legislation being the intent, so you have a point.
That said, that type of regulation seems overly heavy-handed IMHO, and I'm typically not an anti-regulation type of person.
You gave them your blessing to do all this and more when you bought the phone and didn't reject it when you read their terms and conditions for its usage.
iOS has always been a walled garden. Apple is proud of that fact.
I'm sure nobody could stop you putting your own OS on top, or hacking it wide open... But I don't think you have any right to force Apple to alter their software to allow you to do anything.