MAD parodies aren't really parodies. You could argue that in a lot of ways they're nothing more than further publicity for the entertainment industry(never trust a satirist that's on a press kit mailing list), but I'll be neutral and say that they're really just illustrated running-commentary reviews, not parodies at all. And besides, given that on every page they have to call something stupid whether it is or isn't, it's really just all about the gags, and that ain't satire.