His point is KEEP YOUR MIND OPEN and dont be an 'expert'.... or a consultant, or a scholar.. or an economist - i.e. fragalistas
I understand what he is trying to say. And for the most part I agree with him. However I still do feel that any extraordinary claim requires extraordinary evidence. The problem with Taleb's analogy is that EVERYTHING 'possibly' exists. Mother Goose, Snow white, The big bad wolf, tinker bell, Santa Claus, boogeyman, Superman. You name it.