Interesting philosophical discussion—and hilariously irrelevant to life in the real world on the street.
“There is nothing more painful to me at this stage in my life than to walk ... then turn around and see somebody white and feel relieved.”
Jesse Jackson
True enough. When someone is sticking a knife in your throat on a metro bus, nobody cares about the root causes.
That said, it is a discussion on the forum of potential root causes here. In summary, it isn't race, it is culture.