I'm an extreme (>99th percentile) non-credentialist. Does that mean if I find out someone has a nutrition Ph.D., then I don't think they know more about nutrition than most random people? Of course not. Credentials are evidence of what someone knows (e.g., having a nutrition Ph.D. is evidence that you have nutrition knowledge). But part of what makes me an extreme non-credentialist is that if I spend an hour watching someone with a nutrition Ph.D. debate a completely self-taught person, a...