I don't think it's unimportant or fairly easy... it's an _astonishing_ achievement of civilization. Shocking, precisely because of how natural/proper/otherwise-would-have-been we'd be like the chimps

Maybe we’re splitting hairs, but it seems so ubiquitous as to allow us to say it’s fairly easy (maybe to the point of being natural) for humans to act this way in high population density settings.

Undisciplined

hm... because things like culture and trust, tit-for-tat, build on top of previous relationships no? So you only 

) ones from the earlier ones? All humans were like that, and (my conjecture) 

 without a heavy dose of culture/norms/elevated morals always and repeatedly recreated

econ

Social Trust Is a Superpower

hm... because things like culture and trust, tit-for-tat, build on top of previous relationships no? So you only _get_ to the civilizational (*civis*) ones from the earlier ones? All humans were like that, and (my conjecture) _would be_ without a heavy dose of culture/norms/elevated morals always and repeatedly recreated