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Re:People try to do right by each other, no matter the motiv... by simsla on Friday June 05, 2020 @12:31PM (#23430363)
There's also almost definitely an evolutionary advantage.

Groups are stronger than individuals. Selfish people are undesirable for a group.

Re:People try to do right by each other, no matter the motiv... by pasquinelli on Friday June 05, 2020 @01:49PM (#23431522)
Evolution happens to populations, so it makes sense that the fitness of the population is what evolution affects.