And why exactly are we "hoping for a global currency revolution" - hint, its all the bad stuff that's hard to do with current currency regulations.

When institutional investors and yolo 'get rich' people sell their coins it will drop to (in case of Bitcoin) 2,000 USD again, it would be closer to a currency then. However people would go crazy, because it's only very, very rarely used as a currency. Most just use it as a speculative asset.