Not to mention that if someone isn't a psychologist they shouldn't be spouting off about the Dunning-Kruger effect anyway because arguably they don't have enough competence in that particular domain to be able to talk about it intelligently.

Hell, I have a PhD in psychology and I don't know enough about this effect to talk about it intelligently.

Isn't people who don't know enough about Dunning-Kruger confidently spouting off about it...sort of evidence of Dunning-Kruger?

I kid of course. Or do I?

I don’t think the takeaway from the Dunning-Kruger effect is "don’t invoke basic aspects of human nature on internet discussion forums unless you’re a trained academic psychologist"