He's got sort of an effeminate thing going on that at first comes across as though he might be gay, but after a while it just sounds condescending. Also, listening to him on the Gamespot podcast, I get the feeling that a lot of times when his opinion is challenged, he questions himself, but sticks to his guns just to stick to his guns. It's like he's defending his opinion but doesn't believe it himself.
Also, I just realized that a lot of the Gamespot video reviews come across as condescending. At least Kevin Vanord and Tom McShea. They also sound like they're talking to small children or dumb soccer moms.
Though on the other hand, Greg Kasavin always had a slight dorkiness to him that made him sound more genuine.