The richest company in the world (Apple) makes products that are only intended for a very small percentage of even a wealthy nation's population
I'm not sure that's accurate. You're thinking MacBook and iPad, but let's think iPhone and iPod.
I only have a few minutes, but I found this: http://www.mactech.com/content/study-looks-demographics-iphone-ipod-touch-users
Most iPhone users only have an income of >25k, Since the US median is 60k, that means that the iPhone is sold to basically everyone.
I'm not trying to be a pedantic jerk, but I think this article and comment thread touches on a VERY important issue and I want to make sure we have all the facts right so we can analyze it.