It happens. Trolls, trouble makers, jackasses, they anger a lot of us. Not me enough so to leave tho. I just go on reporting em or ignore them.
If you would like refer to my question (I already gave BA so no need to answer but you will see some of the problems these creeps are causing such as cyber stalking):
http://answers.yahoo.com/question/index;_ylt=Aobb14b.WEVmNyQ5Ly2CLE7sy6IX;_ylv=3?qid=20091202024527AA3DfMF
There are many problems that need to be solved on here. It's a shame.