This binary interpretation of the Dunning-Kruger effect leads to wild exaggeration. The most skilled people were only off by like 10%. The effect is just that

This binary interpretation of the Dunning-Kruger effect leads to wild exaggeration. The most skilled people were only off by like 10%. The effect is just that people seem to think the curve goes from 0.5 to 0.85 instead of 0.0 to 1.0 but otherwise fit themselves in the same rank-ordered buckets within that.