The experiment with giving the crazy people unchecked power over every lever of government is new, however.
This is perhaps a shrewd move against China: they can't steal technology and scientific advances from the US if there aren't any to steal.
Historical US presidents:
Andrew Jackson -> threatened to hang his VP. https://history.stackexchange.com/questions/41212/did-andrew...
https://en.wikipedia.org/wiki/Lyndon_B._Johnson had meetings while sitting on the toilet: https://historyfacts.com/famous-figures/fact/lyndon-b-johnso...
Richard Nixon - needs no introductions?
https://www.reddit.com/r/Presidents/comments/13yplux/crazies...
Also remember we had: https://en.wikipedia.org/wiki/McCarthyism and the requirement by Truman that all civil service employees be screened for "loyalty".
It's not hard at all if you can interpret charts and can observe trends. You do yourself no favors by intentionally misunderestimating an adversary, to borrow a Bushism.