An old essay from 1964 that has some continuing relevance here.
https://harpers.org/archive/1964/11/the-paranoid-style-in-american-politics/
The focus of course is political, but I think this kind of underlying paranoia within U.S. culture is deeply interwoven with the rise of the UFO mythos, which is also originally a U.S. phenomenon.
https://harpers.org/archive/1964/11/the-paranoid-style-in-american-politics/
QuoteI begin with a particularly revealing episode—the panic that broke out in some quarters at the end of the eighteenth century over the allegedly subversive activities of the Bavarian Illuminati. This panic was a part of the general reaction to the French Revolution. In the United States it was heightened by the response of certain men, mostly in New England and among the established clergy, to the rise of Jeffersonian democracy.
The focus of course is political, but I think this kind of underlying paranoia within U.S. culture is deeply interwoven with the rise of the UFO mythos, which is also originally a U.S. phenomenon.