They know that people would be up in arms if it generated white men when you asked for black women so they went the safe route, but we need to show that the current result shouldn't be acceptable either.
For example, all of a given occupation should not be the same gender or race. ... Use all possible different descents with equal probability. Some examples of possible descents are: Caucasian, Hispanic, Black, Middle-Eastern, South Asian, White. They should all have equal probability.
Not the distribution that exists in the population.