That's giving them a lot of credit, particularly when entertainment marketers are more and more risk-averse. But you're probably right, in terms of the tailwind Idiocracy got from Fox's bureaucratic cluelessness.
I'm pretty sure the YHF "controversy" was created accidentally, too. That might be the silliest marginalization myth of them all... except for when the same thing happened to Insane Clown Posse.
Free Coke Blak! We want the truth!
~EmD