I'm certainly reminded of the current semiconductor shortages, not to mention early-2020 toilit paper shortages. People see low stock of an essential product, b

I'm certainly reminded of the current semiconductor shortages, not to mention early-2020 toilit paper shortages. People see low stock of an essential product, buy up what they need and some spare to cover an anticipated shortage, and the stock runs out, causing a shortage. Other people then try to buy whaxever they can to build their own buffers, extending the shortages.