> You state those preferences as if there's no possible way they could be provided while allowing competition.

Modifying the software so that it permits third party apps makes the software worse - more complicated, less simple and clear.

So I don't want that.

> but followed a very clear set of rules that dictated what was allowed and not, and took a well defined fee to review apps

What makes you think whoever does this will be more benevolent than Apple, though?