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…
iOS devices are not "real" computers. They're more comparable to game consoles or TV set top boxes. They're special purpose computing devices that can only run approved software. Apple does sell real computers under the Mac line.
The "only run approved software" part is a restriction imposed by Apple. It is not because of a physical limitation that makes them not real computers.