[ctdonath2]

However, government ownership implies rationing not based on market forces.

Which brings us back to the unanswered question: where are these well-stocked government food warehouses?
Answer: there aren't any for a scenario of this scale; the government just buys what it needs from the private "just in time" supply chain which only has enough for short-term non-crisis situations.

[yefragetuwrabrumuy]

Since you’ve asked and answered your own question about three times now, you can stop.