Why does "justice" as a concept exist? How did it evolve? Where is the advantage in it? After all, in non-human species, the runt of the litter tends to die.

I have ample evidence that all humans are deeply concerned with this concept, however different their conceptions may be; yet I have seen or heard no evidence that could plausibly explain why it helped sustain us as a species.

There are plenty of folks who have studied this on biology and sociology.. this looks like a decent jump off point:

https://en.m.wikipedia.org/wiki/Evolution_of_morality#Primat...

Tho I'd look beyond, towards reciprocity and deception detection in other animals as well

Really? I can’t believe it needs to be said, but perhaps justice is about transcending the rules of mere sustainability.

I’ve always been curious about this course. Maybe this thread will lead me to watch it. https://justiceharvard.org/