Second, many "uncommon people" are the sons and daughters of "common people" and will learn to hack -- or not -- on their parents' computers.
Common thread: helplessness can be taught and learned. It's convenient for Apple and an inevitable state anyway for many users, but it keeps other "users" beneath their potential.
How would you feel about a car company that offered a model that is easier to maintain and operate but harder to modify?
And if it is possible to achieve the same usability gains without taking away power but Apple still goes that route, then I'll be happy to see somebody beat Apple at their own game.
All this is talking about some hypothetical possible future, of course: nothing Apple's announced so far has in any way reduced the capability of Macs. But, yes, such a route does seem more "on the table" today than it seemed a week ago.
That was the dark age of self-taught developers. Before that, everyone had BASIC for free, and after that everyone had gcc for free.