This is a weird tirade against an argument that nobody’s seriously making. Even most hyperbolic “kill all whites” rhetoric isn’t based on the premise that white supremacy is genetically heritable, it’s based on the fact that actually existing white society teaches the reproduction of white supremacist culture. Killing all white people isn’t a realistic solution to eliminate white supremacy, but it is infinitely more realistic than the ubiquitous alternative solution of personally persuading every individual white person to stop being racist. “Kill all whites” is the ironic rhetorical reaction to the earnestly held belief by the majority of white society that an end to imperialism would constitute “white genocide”.

The elimination of white supremacy doesn’t require literally killing all whites, but it absolutely does require the destruction of actually existing white society on a global scale, which will necessarily involve killing many white people that have been raised from birth to prefer death to equality.

Unless there’s a statistically significant number of people taking real life political action to literally purge white people from the gene pool that I’ve somehow missed (the entire history of “Western civilization” being largely the opposite), it’s difficult for me not infer the standard ubiquitous Anglophone white settler apologia from this whole bit. Unlike whatever hypothetical idea you’re trying to refute, I can’t go outside without running into a real person that believes “reparations and affirmative action are reverse racist because it’s not my fault my family owned slaves and Dr. King said we shouldn’t be judged based on the color of our skin!”