Bitcoin, as he alludes, is really a form of barter and not currency. Unlike currency, it is not very liquid. Having a million dollars in Bitcoin can't be converted in one fell swoop to dollars.
Maybe something didn't click in your head... Bitcoin is a currency. Dollars are just the middlemen here. If you earn Bitcoin and spend Bitcoin, where do dollars enter the picture?
If you think the system is working, ask someone who's waiting for a prompt.