Earlier quoted context omitted.
I think you've got this exactly backwards. We have already seen what not teaching people about this leads to: a continuation of the racism. Kids get taught racism, consciously and unconsciously, intentionally and unintentionally. By default, we tend to reinforce the patterns we see. We need more awareness of the old patterns in order to change them. Of course you shouldn't teach them self-hate, depression and that so…
That just isn't how humans learn. You think you are teaching to not hate, but they learn that hate is normal. They want to be normal. You teach that diversity is important, but they learn that they are the undesirables or that they don't have to try in life. Just focusing on the differences puts them on different teams, and thus in opposition. It won't be otherwise. We have seen what teaching people about this leads…
Don't make it an us-vs-them thing, but unite them. Let them embrace those differences.