What bothers me about this -- and it bothered me enough to leave the platform -- is not fees, or "hobby computing," or "it's just for my own use," or trying to figure out why this or that would be in Apple's interest. What bothers me is that it feels like an offense against the entire notion of what a computer is. I am, of course, aware that many (perhaps most) computers in the world are effectively appliances, but a…
I don't view the iPhone and iPad as "computers" or "personal computers" any more than I view my cable TV set-top box or Sonos speaker that way. Both are very powerful devices with Linux operating systems. But I don't expect to be able to program them. The iPhone is an appliance that can download "apps" that Apple permits. When I want a "computer" I open up my MacBook.
That Macs are still somewhat open is just a happy historical accident. Enjoy it while it lasts :/