Spot price appears to be manipulated for quite a while. Lots of demand for precious metals, yet the price isn't really going up, especially with inflation.
The industry could counter these misgivings, by making the holdings publicly auditable, but chooses not to.
The supply of new gold at least is pretty high: https://twitter.com/LynAldenContact/status/17066072297915888...
[citation needed]
[1] https://www.reuters.com/markets/commodities/central-banks-bo... [2] https://www.fiscal.treasury.gov/reports-statements/gold-repo...