reasons people have to post:
1. it makes them feel good
2. they may want to up their rank
3. people might forget about them if they never post
4. some people feel an urge to post
1. If posting makes you feel good, then you really have no life (unless you mean helping people, cuz that should make you feel good.) But there is no good to be felt with frivolous posting.
2. People just wanting to raise their rank was actually an issue with forum games (and I used to be a big part of it)
3. If you REALLY want to get known, chat in the shoutbox. THat's what it is for.
4. An "urge" to post huh.