Why Outrage Is So Valuable

When transgressors had no idea they were being punished, punishers were more than happy to mete out justice. Outrage has been so valuable in our evolutionary history that it operates like other important biological functions. There's a sort of viceral satisfaction in doling out punishment. Brain imaging evidence shows that when we decide to punish, we see activation in brain areas associated with reward. The only reason why i would punish you when it's in secret, is if i cud get some personal satisfaction from knowing that you, as an unfair person, end up with less money....