Given the story of his encounter with the psychologist (also in Surely You’re Joking, Mr. Feynman!), I’d say he thought so, and ditto with the other fields he mentioned. I believe he was criticizing acceptable social conversation (at the Nobel Prize banquet, I believe!) as being restricted to topics on which nobody sufficiently facile with words could be conclusively shown to be wrong.
Given the story of his encounter with the psychologist (also in Surely You’re Joking, Mr. Feynman!), I’d say he thought so, and ditto with the other fields he mentioned. I believe he was criticizing acceptable social conversation (at the Nobel Prize banquet, I believe!) as being restricted to topics on which nobody sufficiently facile with words could be conclusively shown to be wrong.