Sach: We want people who are contrarias a in general, because it could be that the group's main stream ideas are wrong. But i think what's happening partly in the world right now is tha um people have lost the romance that they have about diversity of opinion. All of a sudden we've come to a point where we don't like bad opinions. And that doesn't seem to bode well for the future survival of many of the societies that are that are doing this. Sach: Yes, i totally agree. I think that for sorvival is necessary, like to have these different opinions and somehow to prevent society from going all in on one single modor decision
Why do people eat too much even when they don't want to? Why are there so many bad managers? And why might anti-vaxxers be useful? Luca Dellanna, author of The Control Heuristic, thinks the answers to all of these questions are in our heads, or rather in our basal ganglia. Dellanna talks to EconTalk's Russ Roberts about why both brains and employees need immediate feedback, why we're wired to believe our best guesses, and why addiction is just our brain's way of making sure we survive.