Sadly, the Supreme court has undermined the sincere attempt to mitigate racism in the country through mandated desgregation. The logic for desegregation is simple, and based on a few sociological facts we know.
We know that people tend to prefer to live with individuals who look and think like them. They hire individuals they know; they generally marry within their tribe. Although this isn't universal, it represents a fairly common pattern. I don't begrudge this. It is just the way it is, and in a democracy, this can be dangerous. We know there is a better way to do things.