Cooperation between groups is often hindered by tribalism and personal prejudices. One solution to this problem is utilitarianism. Utilitarianism argues that a combination of happiness and maximization of good consequences would allow tribes to make good decisions (153). While the Tragedy of the Commons is primarily about selfishness, the Tragedy of Commonsense Morality is a tragedy of moral inflexibility (172). Groups must be insightful and impartial to overcome their differences and