"This labor unrest among monkeys illuminates our innate sense of fairness. It's not that the primates demanded equality - some capuchins collected many more pebbles than others, and that never created a problem - it's that they couldn't stand when the inequality was a result of injustice. Humans act the same way. When proposers do something to deserve their riches, nobody complains. But when they get rewarded for no reason and then refuse to fairly distribute their reward, people get furious. They begin doubting the integrity of the system, and become more sensitive to perceived inequalities. They reject the very premise of the game." - Louis Simoneau