That is part and parcel of the human nature like greed, stealing, lying, enveying, and many other treats that we demonstrate. If it wasn't the black people, than it would be the hispanics, and if not them than it would be the jews and if not them than the poor white or the eastern Europeans. In a village of less than 100 people you will find gossip and falsehood split in groups and can and does escalate into violence. We simply are Chimpanzees, that's all.