It appears to be a paraphrasing of William Butler Yeats https://en.wikipedia.org/wiki/The_Second_Coming_(poem)

Everyone thinks they're the intelligent ones, of course. Which reinforces the repetition ad nauseam of Dunning Kruger. Which is on itself dumb AF because the effect described by Dunning and Kruger has been repeatedly exaggerated and misinterpreted. Which in turn is even dumber because Dunning-Kruger effect is debatable and reproducibility is weak at best.

Yeah, nobody who ever mentions the DK effect (myself included) ever stops to consider they might be in the "dumb" cohort ;)

We are all geniuses!

I know I’m a terrible driver. I just think everyone else is worse.

Ugh. You can be cocksure of your doubts. It's still confidence, duh.