There I agree: there would have been opportunities for a profitable illegal exit. But the kind of grifters who are able to say "this is good enough" don't tend

There I agree: there would have been opportunities for a profitable illegal exit. But the kind of grifters who are able to say "this is good enough" don't tend to find themselves atop such a gigantic scheme to begin with... they scam off a few million dollars and fade silently into the night.