And then, promptly, they also repeatedly ran their economies into the ground by conquering and mining tons more gold, and inflating their currency into worthlessness.
And this happened over and over - the Spanish did it, the Chinese did it, the French did it. Every gold economy before the invention of actual economic thought destroyed itself with gold.
While I don't think this analogy works without flaw, I do think that it draws a powerful connection between something that is widely regarded as a store of wealth, and something that is vying to compete in the same space.
You mightn't like my tastes but I don't like your gold necklace either.
Glass is not easy to work into jewelry on its own (or at least wasn't 2000-3000 years ago). Plastic-coated aluminium didn't exist 2000-3000 years ago.
Well, usually, the intrinsic utility of gold and silver was that they could be used as jewelry and/or used as instruments of worship. Most bullion money has evolved from substances considered divine.
Remember the Golden Calf?
So gold was used extensively 2000-3000 years ago. Exactly what was its intrinsic utility then? Plating astronaut helmets and high-conductivity, corrosion-resistant electronics?
The intrinsic utility of gold was that it was eminently verifable. It's got a characteristic ductility and it was a yellow metal. You could easily verify if it was 100%, 80% etc. In other words, to the ancients, the intrinsic utility of gold was "its trust model". Sound familiar?