Above a certain level, that's probably true, but at the bottom of the pyramid most are firmly in denial, having drunk heavily of the Kool Aid.
On social media, the South African scheme for example, first time 'investors' are sharing their dreams of new furniture/cars/houses and attack anyone who queries it.
Among people who see little future for themselves and their families because of a corrupt financial system, Mavrodi's message is a genius piece of button pressing.