it isn't about black people. it is about ALL people. he mentioned black on white hate crime. also the little white boy is wearing black and the little black boy is wearing white to show his message is not binary. it is not a hanging outside, it is intentionally shown to be occurring on ''a staged platform." so it was not about races being opposite or opposing. hence the color of the clothing and the message at the end that includes the ignorance in ANY kind of supremacy from blacks or whites. he explains what real supremacy is. it is when nothing someone else does can be used to undermine YOU.