No. I think Ryback is good at this destroy everything gimmick. His breathing, his motions, his general bald guy/huge guy look. He hasn't turned Cena yet; making jokes about himself and everything else.
They don't even care if they lose matches ; they just congratulate their opponent on kicking their ass.
At least Ryback gets pissed and tries to do something about it.
It has a bit to do with context though. Cena isn't nearly as goofy as Santino, but he is goofy for being supposed to play the role as face superman (more noticable the few times he shows that he actually can be intense). In the same manner some people will think that Ryback is goofy for being supposed to be a scary monster of a wrestler, but again I don't think anyone means that they see him as equal to Brodus Clay.