It implies that only outright homogeneous cultures are good. So a white woman is a negative to be in a work culture with a white man, because she cannot relate to being a man?
Or a black man can't work with a white man because he can't relate to being white?
Or do you mean if I'm from a foreign country, legally allowed to work in America, that I am a negative because I don't share a common upbringing story?
Should people from different states not work together?