“why is it that half white, half black people invariably identify as black?”
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You nailed it.
.
Can’t take credit for it, someone else posed the observation.
And of course, there is actual codified privilege in our law that can be pointed at.
Of course, the whole underlying idea of “white privilege”, from the left, is that as white people, we don’t know it’s there, but it is working to our advantage all of our lives.
It’s rather like reality NOT favoring leftist ideas, though.
It’s more a cultural “privilege” that a work ethic and an adherence to the 10 commandments yields a positive outcome,
whereas working in opposition to those ideals will generally yield a negative outcome.