hehe I know what you mean, and look at me I am following along so I'm realy no better ;P But it's not the hijacking of threads thats the problem in it's self. It's more a symptom that add ups to the sorry state of the chess.com forum.
Like this thread her. This thread was spesificly made to solve a problem (players disconecting). If we now spend a few pages talking about the weather before we start debating disconecting players agaim, its fun, but at the same time it makes the whole thread useless for the moderaters if they wanted to enforce some of the ideas presentated they would be unable to find them inbetween all the redneck/wallmart/weather talk.
this is called thread jacking btw and is also something I will use my newfound moderation power to stamp out :P
Unfortunately, there is already a presidant on Chess.com of NOT disuading what you call 'hijacking' of threads.
In fact, it is often this 'hijacking' of threads that leads to much more interesting conversations.
Like rednecks.