Probabily as good mentality to avoid all that he stated as to make fiat converted into something everyone could be using without any fuzz about such as bank conversations and government middleman actions.
You can already see it as a mainstream in practice where everyone is able to exchange with someone who you could not trade so simply as before.
With these exchangers we are able to be one step closer to our unknown buyers and sellers and that's what it makes already being a mainstream currency.