Idiots don't know they're stupid

From this article, referring to Twamp and his bottom feeders. See the article for much more including empirical research. Unless of course you're one of these idiots and just know better...

"There’s more to this than the problem of confirmation bias. [...] It’s called the Dunning-Kruger effect, and it’s an unshakeable illusion that you’re much smarter, and more skilled and/or knowledgeable, than you really are. [... They] labor under the illusion that their knowledge about things is at least as good as, if not better than, the actual facts. For these people, though, their knowledge isn’t just superior – it’s superior even to those who have intimate and detailed knowledge of the subject at hand. [...] The effect is especially pronounced in people with limited intellectual and social skills. [...] The key to the Dunning-Kruger Effect is not that unknowledgeable voters are uninformed; it is that they are often misinformed—their heads filled with false data, facts and theories that can lead to misguided conclusions held with tenacious confidence and extreme partisanship."