because people don't care about other people's opinions on subjects such as race etc. there are geniune people out there but generally i go by this rule.

if you don't like it, click that button at the top right with an X in it. works every time. ive never wasted my time telling people to change their opinion, because its theirs. It may be twisted, or outrightly incorrect or prejudiced, but there'll be no convincing them.