If he really knew anything he’d be wealthy & managing his and/or other peoples money–not selling advice–what is his main “con”??
Very simple-like many others, he represents himself as being the only one with the correct unique insight–his “sleight of hand” for the assembled yokels and gawkers standing around his shell game folding card table, is to contrive “abstruse grand theories” of economics explaining how markets work…yup! It’s as simple as that…just like the Wizard of Oz….