This is a typical white supremacist/white fragility response: that white supremacy/white racism is “natural,” and that everybody (blacks, reds, brown, yellows, etc.) does it. It’s the old “false equivalency” argument, that slavery is as old as humanity. Next, you tell us about how black Africans sold “their own people” into slavery to white Europeans and their American cousins.
All of this to avoid responsibility for your own privilege which is based on 400 years of exploitation of black people and the outright genocide of Native peoples.
Go back and re-read this piece again. Slowly.