Equality is only something that people SAY they want.
No one wants everyone to earn the same as them. To drive the same car as them. To live in the same kind of house as them. To eat the same kinds of food. To practice the same religion. To wear the same clothes. Equality is at the root of Communism and we all know how well that works out.
People always have preferred to segregate into groups. Children do it without even realizing it. Its ingrained in us and isn't a bad thing. You want equality here? Find us an alien species that we can enslave. Someone who we can be better than...