Slaughtering a pig isn't some trivial process, it requires skill and equipment that most people lack. But even if it was doable and a person trades their emerge

Slaughtering a pig isn't some trivial process, it requires skill and equipment that most people lack. But even if it was doable and a person trades their emergency gold for a couple weeks of food, then what? Any disaster that reduces society to pig bartering isn't likely to be fixed in a short amount of time.