Not sure why he is not concerned about the fiat currency use among criminals

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Because he is one of the criminals using fiat.

In all fairness, I find most of people reacting to these CEO statements to be more ignorant than the CEO's themselves. It's all a show they put up so that the average person looking up to them don't get involved, and that while these CEO's have a great laugh behind the scenes seeing their stacks grow larger and larger. It's a game they play. Smart money versus dumb money. Guess who's going to win?