A store of value is not necessarily a medium of exchange, and in our current fiat money system, gold is not money. But it has most of the desirable properties of money, and there is much to learn form the process of how it became money in the past.
Money printing—even at a constant rate—is going to generate the same result as any other money printing. The reason lies in the fact that money creation transfers wealth from productive to unproductive enterprises.
Why does gold still matter? Politicians, central bankers, and investors dismiss it as a relic, but the precious metal still plays a role in today's economy. Keith Weiner of Monetary Metals explains why.