Why do black males date any white female regardless of how ugly she is?

I'm asking this because I've seen some obese, gout in the bones, rode hard and put away wet 45+ year old white females with hulk hogan dyed blonde hair with a fairly decent looking african american male? I also notice single black women left and right. I've heard from some females that black guys will date anything as long as its white. Is that true ? I mean I notice a pattern of really, really ugly white females with black males, or ghetto poor/trashy ones. What's your take ?