read some of those links in your articles past the chapters you cited . You’ll see that the relationship of mixed race people to whiteness was not that “black and white”. many of them had children who passed for white. There were only two states (Louisiana and South Carolina) that gave this special status to mixed race people that enabled them to see pure blacks as their social inferiors. those were the states where the majority of black slave owners lived.
“Cherry picking” means highlighting those points that support your position and ignoring those points that weaken it. Everybody does it to some degree, so it’s not easy to definitely prove when this kind of selection is fallacious. Your essays are worth reading despite this, but they would be better if they were more nuanced. You’d probably get fewer clicks, but your work would be more accurate. it would alsocontribute more to the health of our political discourse, which is so badly polarized right now.