Racism oppresses its victims, but also binds the oppressors, who sear their consciences with more and more lies until they become prisoners of those lies. They cannot face the truth of human equality because it reveals the horror of the injustices they commit.
In the last 5 years, American employers have lost over $150 billion of productivity to depression alone. That is more than the GDP of 28 different States during the same period.
Exceptions are not always the proof of the old rule; they can also be the harbinger of a new one.