Hard to predict the future. Maybe a butterfly by flapping its wings change it all.
The mathematical controlled coin supply secured by cryptography and open source code is a game changer especially when we face the next financial crisis 2018-19.
Nobody can multiply Bitcoin according to their whishes what we can witness right now for FIAT.
Maybe crypto will be used as a trusted collateral for FIAT, when FIAT fails and people lost trust, or maybe I'm completly wrong.