Up to the point where he reveals that...

> And then I'll write exam questions testing on those very same mistakes. If we all did that, the market would dry up pretty quick.

...he actually DOES oppose it obviously and wants to stop it.

You missed his point. He doesn't care. He thinks the market can deal with it. He thinks the schools should stay out of it. As a professor, he can route around it by being smarter than the note sellers. You want to restrict his right to do that? Bizarre...