But you’re not describing an irrational actor. If the entire global economy collapsed (which is not an irrational fear to have), then having several months supply of non-perishable food, cleaning and hygiene supplies would be very valuable thing. What makes that either rational or irrational is the expense you went to purchase them. If prices are not allowed to rise to equilibrium, then that expense is going to be very minimal.

As I’ve said several times. I think it’s perfectly reasonable to ration certain staples, and essential services. Everything else should just be priced to supply and demand. It’s not reasonable to call something price gouging if there are actually shortages.