Agreed, that was the point I was making, but with that statement, I meant it as you need a bridge to start. If everyone decided to adopt crypto tomorrow, and picked a few coins that we all used, then yes, you're right, it could work without fiat.
Any chance you can upvote the post, I'm trying to build my account with steemit.
RE: Why Are Bitcoin, Steem And Other Cryptocoins Worth "Real" Money?