I've seen it stickball. The individual forums for ps3/360/wii should REALLY mostly be used by the owners of that particular platform or somebody who has a real interest in it's games or buying it. Other than that you're pretty much going into forums for systems you don't own to give opinions on games you've never played and usually it's just trolling.
Forget what you guys think of Gamespot as a review site, if you take a look at their forums for the individual systems (360 for example), it is almost all people who own the system and are discuss topics only about the 360 and any topics relating to it. Any negative threads made within that forum are by the systems owners giving their valid opinions of whether a game sucks or how crappy it is to pay for so so, etc etc.