[samatman]

Physiologies are created by genetics, and differences in ancestry are the basis for self-identified race.

Ordinary computer vision can also identify race fairly accurately, the high pass filter thing is merely pointing out that ML classifiers don't work like human retinas.

It's astonishing how many epicycles HN comments are trying to introduce into a finding that anyone would have predicted. Research which confirms predictable things is valuable of course, but no apple carts have been upset.