Gold cannot be ‘demonetized’, any more than water can be ‘dewatered’.
Gold is money; nothing else is or can ever be. A known weight and fineness of Gold is the definition of money.
It is always money, irrespective of whether it is in circulation or hiding or forgotten about or confiscated – whatever. It is still money.
Something cannot become money simply because the government would like it to be so and passes legislation to support it. Stability of value can no more be legislated into existence than can rain.
While Gold cannot be demonetized; the economy can, and it has been for the last one hundred years. That is why it is collapsing.
Prosperity will not resume until money is allowed to circulate again unimpeded by taxes or regulations.
The greatest fight of our times is the one to wrest back control of our money from governments.
As long as governments maintain their monopoly of what is used for money then poverty will continue to increase, wars continue to be fought and societies continue to fail.