Dunning-Kruger explains wingnuts

Wondering how it’s possible that there are actually people who could think an educated, moderate, democratically elected African American President promoting healthcare reform is comparable to Hitler in the 1930s? Does it seem a little weird to you too? I mean, these people must be able to function in society — they hold conferences, they organise email hate campaigns, and apparently they operate deadly machinery. Yet people such as this seem unable to mount a coherent deductive argument, as well as incapable of recognising a better one.

For example, see this:

Well, there’s actually a fairly decent explanation in the form of the Dunning-Kruger effect. This video explains their reasoning — that those who are incompetent are also unaware of their own limitations — and how they conducted an experiment to prove it.