Earlier quoted context omitted.
Those government-run reserves always seem a bit silly to me. There's nothing special about the reserving business that normal private sector companies can't do. (Especially if you abolish anti price gouging laws.)
If they could do it, we would have let them. But due to market failures throughout the course of history, we have learned to apply hysteresis to markets by stockpiling reserves and offering price supports in times of oversupply. The alternative is boom and bust cycles, which is fine for some markets like cryptocurrency and tulips, but bad for food and other necessities.
Robust futures markets are perfectly capable of protecting producers and consumers from price fluctuations (and help stabilize prices as they do so). Similarly for long term contracts between consumers and suppliers.