Caring about only yourself doesn't work.
Caring about everyone equally doesn't work.
The winning strategy is a group that looks after its own.
researchgate.net/publication/228351344_Why_is_ethnocentrism_more_common_than_humanitarianism
Caring about everyone equally doesn't work.
The winning strategy is a group that looks after its own.
researchgate.net/publication/228351344_Why_is_ethnocentrism_more_common_than_humanitarianism