More success has come from cooperation. Families, tribes and civilisations that cannot harness the contributions of its members are defeated (or out-competed)

More success has come from cooperation. Families, tribes and civilisations that cannot harness the contributions of its members are defeated (or out-competed) by those that can. In cynical terms, good wins because it is stronger. Note that it need not be perfectly fair or perfectly good, simply that better cooperation beats worse cooperation.