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 Everything before Figure 11 is a misinterpretation of D-K’s graph.