Bitcoin: Regulators wash their hands - too long for some?

While some are supposed to have become rich due to the wonders of the digital "currency" hype one should remember that this is a giant ponzi scheme where the lucky few owe their winnings to the late-comers who splash out serious money in order to get hold of one ephemeral electronic bit - wherever that is. A chain letter at least gives you a piece of paper to put on your wall. Where are the regulators, why are they busy concocting ever more intrusive regulations that hardly serve any purpose except increasing costs for ordinary savers? Should they not at least apply the rules for the digital space?
CNBC