I don't think the American school system is responsible for this dude not knowing the difference between Asia and Africa. It's not a common issue. Don't get me wrong; it's a crappy system. But not that crappy.
He has long been a staunch advocate of the GPL, he said, but not because he has detailed opinions of the differences between it and other, similar licenses. Rather, he said, he learned early on that customers do not care about the details of free-software licenses, and that diving into an explanation of them was the fastest way to send a potential customer running toward the competition.