It's difficult to cure racism among people who are indoctrinated by it. As for myself, I'm white and I work with a black person everyday and black people. The skin color is simply no more relevant than eye color to me. My life is about survival and I simply don't have time to hate and with the Holy Spirit in me, it especially doesn't come to my mind.
Yeah, racism is indoctrinated and it gets way worse if the people aren't saved. With one relative I know, it' so repulsive, among other things, that I don't even want to associate with him. He offered me work I really needed and I said something like "No, thanks".