It's not a matter of infrastructure. It's a matter of belief: people who are looking for safety and refuge from inflation aren't going to move their money into

It's not a matter of infrastructure. It's a matter of belief: people who are looking for safety and refuge from inflation aren't going to move their money into a less-liquid, less-tangible asset with no track record (relative to alternatives.) Moving cash into bitcoin would make sense if there were some inherent advantages: better returns, more liquidity, better privacy, more stable values, faster transactions. So far, I don't really see any of those being offered; it's essentially an experiment, and folks who are using it are either doing to speculatively or for curiosity value, not economic reasons.