The Rev

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 as well or better than experts who have spent their entire professional lives studying the subject on their own, often just through the use of Google University and the echo chamber discussion forums that they frequent with their fellow…