Thanks, Raghuram Gullapalli. Indeed, the high-IQ racialists have nothing substantial in response. The best they can do is, “oh, but CPU speed/RAM size,” which I have argued against in the essay.

As for ascribing purpose to Nature, I’m not dogmatic unlike people like Dawkins here: to me, blind, unconscious processes like evolution are clearly nonrandom for practical purposes.

Not sure what MEP is, but will take a look. Keep in touch!