There’s a long list of historical leaders whose behavior signaled a rapid collapse of futures for corresponding empires.

Biden's type:

King George III: Mental struggles, possibly porphyria. Loss of American colonies, rise of constitutional monarchy.

Hindenburg: Cognitive decline, facilitated Nazi rise. Collapse of Weimar Republic.

creating and destroying; built flying cars & autonomous vehicles, now building /faust, more here: /july, web: july.rocks

Interesting compilation. Somehow it reminds me of this meme with the four states of the Roman Republic.