I still think race hatred is worse than simple prejudices developed by environment and / or education ( or lack thereof). Hatred leads to closed minds and often to violence.
Closed minds and violence do not allow free discussion and do not lead to the education and the elimination old prejudices.
If one president has a cabinet that has a majority of members of another race and any other president had a cabinet with no members of another race, I'd find it hard to believe that the first president's feelings towards that other race were ineradicably evil compared to the second's, even if the first president had some hard feelings and the second never thought about the other race at all.