All evidence to the contrary
We dont use USD because it holds value, we use it because we can exchange it for the stuff we need.
Gold and silver were certainly used for settling debts, but the VAST majority of "in the real world" transactions were done with dozens of varied different coins made from other cheaper materials and debased an unknown amount.
The SoV -> MoE -> UoA progression is just something Bitcoin maxis made up after the blocksize war.
