I think thats an interesting perspective. Just as gold is a finite quantity so will Bitcoin be a finite quantity when it reaches 21Mil coins.
I can imagine that in future Bitcoins can be used as a "reserve" currency that backs another currency
I can imagine that in future Bitcoins can be used as a "reserve" currency that backs another currency
Second problem, it requires a major shift in the motivation of many adopters (anti-fiat, anti-fractional reserve banking).
Bitcoin has these issued baked into the protocol.