And that's where it's perfectly OK. If you have a known preference for some feature that is either highly present in one race or not in another, then that's apparent racial discrimination as a consequence of a legitimate preference. I assume that if someone from that racial group was outside of the norm and had a hairy body, you wouldn't immediately reject them?

The problematic part comes in when people make blanket statements of "Oh, all [race] are hideous and I would never date one of those [slur]s!"

Unfortunately, some people can't tell the difference between the two situations