In terms of societal danger, is it worse to have a foolish person who believes they know everything or an intelligent person who lacks common sense?
The answer to this question depends to some extent on the role in which the person is functioning. In a role that has high public visibility, such as a political position, the foolish know-it-all usually presents little danger because their incompetence becomes widely observable and their influence is therefore, minimal. We have seen examples of …