Alexandros Marinos, whom I read as engaged-with-but-skeptical-of the “Rationalist” community, says:

Seeing as Marinos' whole beef with Siskind was about the latter's dismissal of invermectin as a potent anti-covid concoction, I would hesitate to cite him as an authority on research standards.

Article worth it just for mentioning Scotty hilariously attempting to whitewash phrenology for counter-culture clout, found in another account that seems to be deep in a covid conspiracy rabbit hole at the moment.