You are right, he is quite stupid. He did get duped. He also lied about the relationship to embellish it in the media, which is not as bad as being in on it but not much better. Any ND fanboy (i.e. you) expecting this story to die a quick death is in for a rude awakening.
“The player development is the main thing I like (about Michigan),” Williams said. “You can see that they develop their players. They get them in the gym and they work them hard. And their hard work pays off.”