I would add that human beings consider "social fitness" as well, and are cousin species, Chimpanzees and Bonobos (contrary to the idea they've evolved to be pea

I would add that human beings consider "social fitness" as well, and are cousin species, Chimpanzees and Bonobos (contrary to the idea they've evolved to be peace-loving 'hippies'), also gang up on the weakest members of the band.