Racists or other biases at the top level can, to a limited degree, be dealt with through politics. You can, at the very least, make biased people want to not se

Racists or other biases at the top level can, to a limited degree, be dealt with through politics. You can, at the very least, make biased people want to not seem biased. However, bias at the lower levels is much harder to deal with. Especially if their superiors don't care beyond impressions.