That means they have low IQ, and often stroll through life in a delusional state.
On the contrary,
Having a daring, gutsy, almost dangerously impulsive personality helps people override their logic and common sense, making them engage in acts that might be deemed heroic and/or courages by other people who are deemed cowardly, reserved, or general pussy's.
So when you see someone being awarded for being a "hero" or similar title, you should automatically know that person is partially crazy, impulsive, and has a death wish knowingly or not.