I knew the Dunning-Kruger effect wasn't valid, but thanks to this post I finally understand why: "The Dunning-Kruger Effect is Autocorrelation"
https://economicsfromthetopdown.com/2022/04/08/the-dunning-kruger-effect-is-autocorrelation/
The Dunning-Kruger Effect is Autocorrelation – Economics from the Top Down

Do unskilled people actually underestimate their incompetence?

Economics from the Top Down
@joeposaurus
The fault lies not in our data sets,
But within ourselves.