Eh, I certainly see where he's coming from. Gimpy does come off as arrogant a lot of the time, and whether or not it's justified doesn't really matter. It's still annoying. He'll always have legions of fans defending him, ala most of the posts in this topic, but it does get on people's nerves.
Having said that, I agree with both Gimpy and the TC, to be honest. While Gimpy has done a lot of hard work, it's not like the TC is insulting him, just questioning the validity of his reporting, which is more than fair. The environment, the demo, everything, certainly is going to be quite different than the actual game. And it does feel like Gimpy (and the others) are trying to desperately coin terms early so they can claim ownership. An ego thing, to be sure. Still, it's very informative, and certainly better than what IGN could cook up.
You take the good and the bad, and all of it with a grain of salt.