Nothing good will ever come out of that. Just another centralized, surveiled service in most parts. If masses come, the greed money will follow them for sure and offer them a huge chunk of free storage space on relays because they can, and what we get out of that? We already have that.
We give people the opportunity using their old habits, they will keep using them. It's coded in our human nature.
Yes offer them fiat, but then we should build the rails suatable for fiat transfers with a time.sleep(246060) function
With fiat, all thar hard work of people trying to build, faster, cheaper value flow, will be obliterated.