Why People Are So Confident When They’re Wrong

This video peels back the layers on overconfidence as our most dangerous cognitive bias. It explains the real-deal Dunning–Kruger curve, shows how mental shortcuts trick us into false certainty, and uses wild examples—like Nick Leeson’s rogue trading and the downfall of one of England’s oldest banks—to prove that being too sure can blow up in your face.

On the flip side, a little overconfidence can light a fire under you, but only if you’ve got honest feedback to keep you grounded. By embracing reality checks and understanding how our brains fool us, we can strike a balance between swagger and smarts.

Watch on YouTube