When Europe started to interact with Africa 2-3 centuries ago, the white culture promoted the idea that black males are hugely endowed and that it makes them somewhat closer to animals than humans. This was also to prove the inferiority of black people and hypersexualize black male bodies.
Did the same with African women as well. Hottentot Venus (ass, larger genitalia, breasts) wasn’t just put on the circus route for shits and giggles. Human zoos were (and in certain places still are) a real thing. Scary though, how some things have a negative history and end up being repackaged as a positive…