You're gonna want to think through that one again, away from being a top tier on the hierarchy.

If hate is useless, why does it exist? Evolution does not allow for design flaws to persist indefinitely. If it was only detrimental to survival, it would have been selected against by now. Ergo, it must be advantageous to survival or serve to increase ones odds of survical in some capacity under at least some conditions.

Stop thinking like a white man, Lord of All, and you'll see it pretty quick.