usually its because i see people being helpful :] i don't quite remember what your talking about, but i enjoy seeing people doing their best to help other people, who might not be so advanced with things out.
Finally finding about some of the bots that are flooding the users online - bytespider apparently is a huge offender here - ignores robots.txt and comes in from a ton of different IPs
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.