Not gullibility. Blind greed. People don't want to miss the bandwagon when they see others making money. They may be the most untrusting people in the world, bu

Not gullibility. Blind greed. People don't want to miss the bandwagon when they see others making money. They may be the most untrusting people in the world, but they turn that distrust towards the naysayers if they think there is money to be made.