The more sure an expert sounds, the more we perk our ears up and listen even if what they are saying is bogus. Sounding sure is exciting and a charismatic quality, doubt and admitting one might be wrong gets boring and people tune out
There are no dangerous thoughts; thinking itself is dangerous. ~ Hannah Arendt (1906–1975) was a political theorist. Arendt's work deals with the nature of power, and the subjects of politics, authority, and totalitarianism.