We are not special. Money has been very unpredictable entity in history. In the past, economic thinking was not that developed. There were no alternatives.
More important than store, is predictability. If you know it's going to be 1-5% inflation next 20 years with high probability, life is much easier to plan than if there is high change of huge deflations or inflations.
I completely agree that predictability is an important aspect of money. We don't know that inflation will be 1-5% over the next 20 years with any certainty.
This makes planning very difficult with money. I suppose my point was to hold a mirror to society and show how we value ourselves using money as the barometer.
The main benefit of the fiat money is that it follows the economy and not the other way around. USD is what it is because US economy. 30-year bonds have yield 3.58% and it tells us much about how markets see the future of U.S economy and inflation.
Historical fluctuations in inflation: https://en.wikipedia.org/wiki/File:US_Historical_Inflation_A...
Historical interest rates: http://i.imgur.com/i0xit0K.png
More important than store, is predictability. If you know it's going to be 1-5% inflation next 20 years with high probability, life is much easier to plan than if there is high change of huge deflations or inflations.