Greed is an inherent evolutionary characteristic (non-greedy species had an unexpected appointment with extinction). Social species may have charity within the

Greed is an inherent evolutionary characteristic (non-greedy species had an unexpected appointment with extinction). Social species may have charity within the in-group, but are still fundamentally greedy against the out-group. Collaborative communities can only exist so long as all its members abide by the social agreement, and there's a scaling limit on how far you can maintain a consistent social agreement.