Honestly I think it's a concept that people tend to understand 1:1 easier in their minds. The thing that people don't realize is that fiat is just as volatile and we need a currency that helps with dealing with not only remains stable but does so over time. I've been looking into an elastic supply policy from ampleforth which changes the amount of amples according to demand. They will always remain as 1 ample and not lose its value overtime.