Looks like you are talking about your son or something. "Look, honey, the baby bit the sandwich. See how funny he chews! Ain't he cute?"
I think you can't really say that a fighter is overated until they lose or at least almost get found out. For example I think it's almost fair to say Shields is overated but it may have just been a bad night. Cain is UFC HW champ and 9-0 and he's KO'd the un-KO-able Nog so where you get overated from is a bit of a mystery.
That's not his fault. All you can do is beat who is in front of you and it was pretty one sided, even dominated the wrestling which was a surprise. He doesn't appear to have a weakness at this point so I really don't get the overated thing. Perhaps it's just becuse he's not Fedor.