Fiat money violates the Eighth Commandment and the admonition that one should not tamper with weights and measures. Because it is used for future payment, money is said to serve as a store of value. It is the same as stealing. Commodity money is generally associated with a freer more democratic society. Government needs money to pay for its programs.
Commodity money is impossible to create out of nothing.
It must be taxed from citizens. Fiat money is generally associated with a more statist society. If politicians don t have to consult citizens or tax them directly to fund government programs, such as wars, then politicians can, and do, implement whatever programs they wish. Thus, fiat money is a necessary ingredient for tyranny. Programs can be funded with money created by the banking system.