Isn't this just a case of using common sense?
Parents should supervise their kids no matter where they are on the net. I sure do.
And if parents or kids see anything untoward here, or anywhere else on the net then they should report it. Theres special sites to report people like that.
(hide) If you only look at some of the discussion boards on a regular basis you can add them to your favourite boards list by going to the Board page and clicking "Add to my favourite boards". (pauloaguia) (show all tips)