If bitcoin utility is storing value outside of tax jurisdiction and moving it without obstruction, globally – then the question is Why should that even matter? Former is every rich person's dream, and latter enables a lot of things, good or bad.

A counter-example: can you come up to a coffee shop with a gold collectible coin, chew a piece out, and use it to pay for your coffee directly? You need a proxy in form of a pawn shop for that.

Instruments are instruments, if it is not used for every day business transactions doesn't mean it is not heavily ab-used inside it's niche