That one year stockpile is for you and your family and to “share “ with those who have not prepared.
That is the Morman way.
After that....?
The “after that” depends on the situation- in a total melt-down our society will have to start over- people will need to hunt, gather and grow food, raise chickens and other meat, have a milk cow...survivors of the short-term crises will want to rebuild society so eventually there will be jobs of some sort again. I do think everyone should have supplies for a year- just gives you a better chance at short-term survival.
Anyone that lives in a city will be much worse off in a true melt-down since the only chance they have of starting over will have to be done in a rural area. Not much room for the chickens and milk cows in town. My mother’s family was literally starving in a city during the Depression, my widowed grandmother was unable to provide for her family in town. They moved to a rural area and my mother said it was like becoming rich, they were able to have a large garden, milk cow, chickens- could fish in a nearby river. My grandmother was able to do laundry in exchange for other things they needed.
The “after that” is adapting to whatever works for long-term survival or not surviving. Not a lot of options. The transition to “after that” will certainly be easier for those with a stockpile of goods.