just a loose thought, probably obvious
some tree species self-slected themselves for height (ie. there’s no point in being a tall tree unless taller trees are blocking your sunlight)
humans were not the first species to self-select (although humans can now do it intentionally)
on human self-selection: https://www.researchgate.net/publication/309096532_Survival_of_the_Friendliest_Homo_sapiens_Evolved_via_Selection_for_Prosociality
just a loose thought, probably obvious
some tree species self-slected themselves for height (ie. there’s no point in being a tall tree unless taller trees are blocking your sunlight)
humans were not the first species to self-select (although humans can now do it intentionally)
on human self-selection: https://www.researchgate.net/publication/309096532_Survival_of_the_Friendliest_Homo_sapiens_Evolved_via_Selection_for_Prosociality