It has always been this way.
“Americans love conspiracy theories. Conspiratorial rhetoric in presidential campaigns and its distracting impact on the body politic have been a fixture in American elections from the beginning, but conspiracies flourished in the 1820s and 1830s, when modern-day American political parties developed, and the expansion of white male suffrage increased the nation’s voting base. “
https://www.smithsonianmag.com/history/conspiracy-theories-a...