because we're the most intelligent and attractive race and we invented all of the things and we have such a unique look that mixing destroys it. you guys basically all look the same except for east asians. brown skin, black hair, black eyes, unattractive facial features. what would it matter to you to mix? you'd end up with the same result basically but that's not true for us and east asians. not even trying to be offensive here just explaining it to you
United States