Molly said:
Well, they're absolutely, 100% illegal - it's just that a lot of us either don't give, or consider there to be a pressing reason that we think is more important than silly things like copyright laws. :P
Yep. So in a sense, he's "sure of the legality".
No use risking getting this, or any other, site shut down just for the sake of enabling people who can't google things themselves.