There's a dynamic here that I think is somewhat important: socially recognized gnosis.
That is, contemporary American society views doctors as knowing things that laypeople don't know, and views physicists as knowing things that laypeople don't know, and so on. Suppose a doctor examines a person and says "ah, they have condition X," and Amy responds with "why do you say that?", and the doctor responds with "sorry, I don't think I can generate a short enough explanation that is understandable to you." It seem... (read more)