Then again, if everyone were selfish in a cat-like way that everyone else can fuck off, we wouldn't have wars, genocide, slavery, abuse of power, or terrorism.

Then again, if everyone were selfish in a cat-like way that everyone else can fuck off, we wouldn't have wars, genocide, slavery, abuse of power, or terrorism. So there's something more to it than just being selfish. Something to do with our tribal, hierarchal tendencies where one alpha ape can convince the rest of us to do violence against those other groups, who get blamed for all our problems.