What about controlling for poverty? That seems to be largely ignored in this discussion, even though it was a central tenent of Dr. Kings mission before he was assassinated.
"We must rapidly begin the shift from a "thing-oriented" society to a "person-oriented" society. When machines and computers, profit motives and property rights are considered more important than people, the giant triplets of racism, extreme materialism, and militarism are incapable of being conquered"