Some of those are not issues for fiat anymore, most fiat is in electronic form so the cost of storing it or moving it are low, the real problem of fiat is the faculty of governments to print as much as they want,
That is not technically true, fiat is still inherently a physical fiat commodity.
Yes, we can make transactions digitally, but the actual movement of cash from one location to another still happening manually, banks are interlinked, so you can transfer using your device, but money did not actually move, some other funds was used to effect the transactions.
Bitcoin has lots of qualities, mainly, immutabilty and decentralization. This is what sets it apart from conventional currencies.