Posted by R.C. Christian on
URL: https://mikraite.arkian.net/Were-kids-always-this-mean-tp2339p2362.html

In dense, civilized, urbanized societies, being an immoral, nasty beast aids survival, since fellow humans are the usual obstacles.

In pre-civilized, sparse hunter-gatherer groups, being moral is key to survival, because the main obstacle is nature itself.

In today's overpopulated era, the former, faster breeding species greatly outnumber the latter kind (r-selection vs. K-selection).