That's not quite true, the article's section on regression to the mean[1] largely covers the same territory as Nuhfer's article (although Nuhfer never uses that precise phrase).

Random noise is a primary reason that we see regression to the mean in most contexts (the exception being actual deterministic factors, such as seasonality, the restoring force of a spring, etc.)

The chain of reasoning goes like:

    Random noise (Nuhfer)
    -> can cause regression to mean (covered in the article)
    -> calls into question the Dunning-Kruger effect

[1] https://en.wikipedia.org/wiki/Regression_toward_the_mean#Con...