I doubt, for example, students would pay $300 for development videos. They would, however, happily watch those videos if provided for free on Youtube, and perhaps make something awesome because of it.
Although I went to WWDC, I'm also a student, and if I wanted the videos because I thought I would learn from them, I would happily pay $300 for them. Just like how I've purchased a fair number of iPhone programming books, just like how I'm buying a new MacBook Pro..
