I’ve frequently written about the “arrogance of ignorance,” a phenomenon that anyone who’s paid attention to what quacks, cranks, or antivaccine activists (but I repeat myself) write and say beyond a certain period of time will have encountered. Basically, it’s the belief found in such people—and amplified in groups—that somehow they can master a subject […]
![Bertrand Russell on the Dunning-Kruger effect](https://i0.wp.com/www.respectfulinsolence.com/wp-content/uploads/2015/05/Bertrand-Russell-Dunning-Kruger-effect.jpg?fit=960%2C630&ssl=1)