Humans crave certainty. Doctors, politicians, executives, salespeople, and so on are rewarded for conveying certainty even — especially — when reality is uncert

Humans crave certainty. Doctors, politicians, executives, salespeople, and so on are rewarded for conveying certainty even — especially — when reality is uncertain. It’s not that doctors don’t care to ferret out the truth, but that the market rewards them for claiming that they have the truth regardless of whether they actually have it in their grasp.