I haven't defended it at all. I haven't used it. I've even given a reason why it's not good to use physical appearance as a stick to hit someone with.
I'm going to ignore your Pakistani comment as that is just way beyond where our discussion is. I'll put it down to getting a bit carried away - unless you really are accusing me of what it seems?
As another question, if my brother gets jaundice and I take the piss, am I being racist?