Non-experts usually have much larger unknown unknowns than experts, and much smaller knowns than experts. The apriori reason for not trusting a non-expert's ar

Non-experts usually have much larger unknown unknowns than experts, and much smaller knowns than experts. The apriori reason for not trusting a non-expert's argument, when you yourself are not an expert, is that your unknown unknowns are also large, so you can't find all mistakes in the argument.