[ax0n]

In that whole thing, there's no numbers or names to back anything up. There's one hyperbole ($100 spent in ads to sell one book) and a bunch of really vague "people I know..." rhetoric.

Also, the author does not know what a Ponzi scheme is. Facebook Ads might be unsustainable, but it's not a bona-fide confidence trick of any sort, just like the VC dot.bomb burst at the turn of the century wasn't a confidence trick.