From what I have seen so far in this forum and other crypto platforms, most of us want fiat eliminated. But let us not forget that there are still situations whereby we can't use crypto except fiat like in rural places without computers or even internet facilities.
I don't want to eliminate fiat. And even if I want to. We can't just eliminate it. Fiat is useful in the rural places, some places in every country don't know crypto-currency. However, if we all people in the world have access on the internet, and afford to buy gadgets to use crypto-currency I think it is possible to eliminate fiat.