Yep, to make them seem a bit more human, I would assume. They tell their joke, then have their porn or drugs links in a forum style signature underneath. Some of them are absolute crackers.
Sorry, for off top, i wanna tell one joke) Why did Robin Hood rob only the rich? Because the poor had no money.
I have a nice joke. Why did the chicken cross the road? To prove to the opossum it could be done.
Did you hear about the bandit that held up a Chinese restaurant? Half an hour later he was broke.
Why do bagpipers walk when they play? They’re trying to get away from the noise.
I have a nice joke for you) What goes Ho, Ho, Swoosh, Ho, Ho, Swoosh? Santa caught in a revolving door!
I have a nice joke for you) Why are Bankers good bike riders?? They are good at keeping their balance!!
Ha-ha, right?