The article also makes the claim that "[less brainy individuals are] less likely to be oblivious of their own biases and flaws." That is literally the Dunning-K

The article also makes the claim that "[less brainy individuals are] less likely to be oblivious of their own biases and flaws." That is literally the Dunning-Kruger Effect [1] which is one psychological study which has been successfully replicated over and over and over. Well not literally. It actually found the exact opposite of what the article claims. [1] - https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect https://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect