The only weird thing about the whole matter is that she actually let you in the door if she "don't do black guys"! - I think she's probably just ignorant
and not actually a racist.
I know of some asain WG's who refuse to see certain black men are of the opinion that if a black man comes from Africa he has hiv/aids if he's from else where he's probably ok.
Crazy shit I know, I couldn't believe it when she said it - I didn't even bother to go into any details of how her theory in general is flawed in so many ways, but its something that they've had drilled into them so there's no reasoning with them , no doubt others are of a similar opinion.
& for the rest of them who aren't ignorant but refuse black men I'm 100% certain it's to do with fear of getting harpooned by a huge cock.