Altruism is just plain practical. If you've seen 300, you'll know that a collective 300 was stronger than a dispersed 300. People are simply stronger in large

Altruism is just plain practical. If you've seen 300, you'll know that a collective 300 was stronger than a dispersed 300. People are simply stronger in large numbers, and altruism is the high level understanding that the only way to maximize collectivism is to help others when they are trying to achieve similar interests to that of yours.