I think its because they just aren't attractive. Walk through a mall, campus, downtown area and tell me how many black women you see that aren't either fat and sloppy or have the facial structure of a man or even a gorilla with fake hair. Personally I don't want to Fuck a fat, out-of-breath,diabetes baby trap, or a loud-mouthed transvestite hooker. I see beautiful white, Hispanic, and Asian girls all over the place, but very very rarely see a black girl that is worth a second look....and even then they are usually bi-racial, with much softer features than your average black girl. Not trying to be racist, just my honest opinion.