This is the same problem that puts demagogues in power: humans in great numbers behave like a herd. You infuse a strong emotion in enough of us, and it snowball

This is the same problem that puts demagogues in power: humans in great numbers behave like a herd. You infuse a strong emotion in enough of us, and it snowballs. We are dumb, our emotions and instinct get the better of us, and we need to come to terms with that if we want to be less vulnerable to manipulators.