Perhaps true, perhaps not. Some people don't want to invest time and energy to save time and energy later. Others do. A good Linux desktop should be able to cater to both types of user.
"Some people don't want to invest time and energy to save time and energy later."
I believe the phrasing you were looking for is "the vast majority".
Apple concentrates on providing a good experience for that vast majority. Everyone else can use OS X's CLI or tools like Automator, AppleScript, Xcode, Dashcode and MacRuby (all for free, albeit not all of it is 'free software').
That's simply not true. People pay thousands of dollars to attend Excel classes which show them all the little 99.99%-of-people-will-never-need-this-feature features, and they then use these features to be more productive in their work. If they were programmers, they wouldn't need those features, because they are simple enough to implement. But they're somewhere between programmers and users: they can't program, but they can learn a lot about how to use software. To make those users productive, you have to give them a lot of features.
Yes, the average person that visits YouTube and Facebook doesn't need a featureful desktop. But many people want to use their $2000 computer for more than that.
