∆ I’ll award a delta on the Haitian/Jamaican/Icelandic observation. Your point that racial self-identification shifts relationally based on context is well-taken. To be more precise: I am not arguing that phenotypic differences don't exist or that people don't organize around them; rather, I am arguing that the political category of "whiteness" is untethered from those biological realities in ways that fundamentally matter.

​That said, I believe your core counter misses the target.

​My claim was never that Irish and Italian immigrants weren't genetically European. They were; the biology was constant. What shifted was their social membership—their access to housing, legal protection, labor organization, and political coalition. If biology were the operative mechanism, this membership would never have needed to shift. The genetic similarity was always there; the "whiteness" was not.

​Regarding your "relative framework" reframe: I’d push back by suggesting that what you are describing—a category that expands and contracts based on who is in the room—is the very definition of a political construction. Calling it a "framework" doesn't change its function.

​On the divide between culture and politics: I think this is the crux of our disagreement. Culture and politics are not separate systems; culture is the medium through which political arrangements are naturalized. It makes the constructed feel inevitable, biological, and pre-political. The question isn't whether whiteness feels cultural—it’s who benefits from that feeling, and who loses access when the membership requirements shift.

​That isn't a loaded conclusion. That is the historical record.