Our biases are inherent from millions of years of evolution that gave us the ability to look at another person and instantly form a perception "this person is o

Our biases are inherent from millions of years of evolution that gave us the ability to look at another person and instantly form a perception "this person is of my tribe" or "this person is an outsider." It must have had a valuable survival benefit when we were hunter-gatherers but probably not so much today.