> HN is notoriously bad at anything related to biology, evolution, and genetics. It's a combination of this (https://xkcd.com/1831/) and this (https://xkcd.com/793/) comic. People there are also fond of finding a bunch of psychology papers that confirms existing biases.

Also https://xkcd.com/55/ and https://xkcd.com/128/

This is the inevitable confusion of a society that insists that nothing exists outside what we can scientifically observe, who rejects concepts of soul and love and still tries to explain their effects using only what they admit. It's like saying we bleed when we're cut because the skin must be producing that blood, denying the existence of veins or a heart.