Nope. I must object to this paragraph: "To be honest, I’m not particularly convinced by the analytic arguments above. It’s only by using real data that I can u

Nope. I must object to this paragraph: "To be honest, I’m not particularly convinced by the analytic arguments above. It’s only by using real data that I can understand the problem with the Dunning-Kruger effect. So let’s have a look at some real numbers." He then goes on to use synthetic data. Beyond that dishonest slight of hand, this is in the category of "one thought experiment didn't prove the phenomenon exists, therefore it must not exist" logical errors.