[quote=Nero]
Uh, telling them the rules isn't actually being a jerk. Theres no nice way to say "Hey, if your post doesn't matches casual level, you shouldn't be here!"
[/quote]

I know sometimes I do come off as a jerk because I'm blunt, opinionated, and sarcastic. Yeeeaaah...Those three things tend not to come with positive vibes.