An alternate theory would be the whole thing is a submarine: a way of advertising Bitcoin to pizza owners, under the pretense of a threat. What could make them

An alternate theory would be the whole thing is a submarine: a way of advertising Bitcoin to pizza owners, under the pretense of a threat. What could make them take Bitcoin more seriously than the threat of them being harmed by it? It wouldn't be surprising if the whole thing was orchestrated by a Bitcoin startup. And its an easy trick to pull too. You stuff printed letters in a mailbox and they find their way out there. How could anyone prove who did it? Frankly it's impressive :) After a whole day on HN nobody brought up this possibility. There's also a lesson of strategy here. When you are not making progress being direct about something, try doing its opposite. What I'm more curious about is how they'll follow up without making it too obvious that they are advertising. How will the make the now worried pizza owner casually bump into a promising Bitcoin company that protects them from extortion and all bad Bitcoin things? Run an ad in the paper or local TV?