The comment I replied to stated "clearly there must be some biological basis for race, if an AI can determine race from an x-ray".
I'm pointing out that's not necessarily true. First, we have to prove that the AI is determining race from an x-ray. It's effectiveness at doing it via 64 pixels makes me skeptical that it is.
After that, we get into sticky territory determining whether any biological differences we can identify between races are caused by genetics, or environmental/societal factors like disparities in healthcare, diet, neighborhoods built over old SuperFund sites (https://en.wikipedia.org/wiki/Love_Canal), etc.