Those things are deeply entrenched in American history and culture, and while great progress has been made to reduce the impact of racism, there are still remnants of it that exist in American society today.
Post-reconstruction poll taxes, disenfranchisement, public hangings. And more recently, redlining and block busting.
I did not assert that the whites who established slavery and white supremacy had some innate quality (due to their whiteness) that made them bigoted. Rather, it was their ideas that created those conditions and the bigotry they held.
Statistics and data are not unethical, but they can be used for unethical purposes. I do not deny the societal issues that exist in those countries but the implication that those issues exist because of the skin color of the inhabitants is, again, unethical and unscientific.
The equivalency you’re making between our arguments does not exist.