The nature of liberal democracy prevents propagandistic statements from being banned, since among the liberties it permits is the freedom of speech. But since humans have characteristic rational weaknesses and are susceptible to flattery and manipulation, allowing propaganda has a high likelihood of leading to tyranny, and hence to the end of liberal democracy.

Jason Stanley (b. 1969) American philosopher, epistemologist, academic

How Propaganda Works, ch. 1 (2015)
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