But for whatever reason we might say that racism has led to violent strife or wars, but has social tension between tall and short men led to war? Heavy conflict

But for whatever reason we might say that racism has led to violent strife or wars, but has social tension between tall and short men led to war? Heavy conflict does not seem to organize along lines of tall vs short. And on a related question, what is the essence of sexiness, and is attraction to the sexy wrong?