How can a person who is literally 100% wrong on economic analysis continue to think they have something to say? Now I know.
The Dunning–Kruger effect is a cognitive bias wherein unskilled individuals suffer from illusory superiority, mistakenly assessing their ability to be much higher than is accurate. This bias is attributed to a metacognitive inability of the unskilled to recognize their ineptitude.
Hinderaker just doesn't recognize his stupidity because he's that stupid.