A famous trope is that the jester is the only one who can mock the monarch, and monarchs ignore them at their own peril. They are the only ones who can criticis

A famous trope is that the jester is the only one who can mock the monarch, and monarchs ignore them at their own peril. They are the only ones who can criticise them frankly, and provide a view closer to the common people in a way the rest of the court can't. Doing it by holding up a mirror is just classic, really.