I would agree with you, if - and only if - one's XP rating translated to an estimation of their skill. Then it would be easier for someone like me to focus on the questions from the beginners (so I can help) and the answers from the experts (so I can learn). I agree it would be cool if there was something like that.

But I don't think skill would be as easy to track as XP is...

eXPerience !~ /sKIll/vALue/;