Earlier quoted context omitted.
They are just exploring the solution space, with minimal baggage to hold them back. The real problem, is that people are trying to make a living off of something that is still experimental / alpha level maturity. Seems like the people who do understand banking history are unwilling or unable to make any kind of improvements, at least in regards to the issues that digital currencies are working to address.
Sure, but their youthful experiments are involving billions of dollars worth of money. Or at least they claim it does.
I could not find any stats on the amount of fiat flowing in and out of these "exchanges", which, by the way, have zero oversight and tend to disappear every few months or so.