I agree. Obviously people can live in this way if pressed, but what kind of life is it? Humans are social creatures, and we strive for more than mere survival.

I agree. Obviously people can live in this way if pressed, but what kind of life is it? Humans are social creatures, and we strive for more than mere survival. If our current society somehow "collapses," we will immediately form new societies that will work to pick up the pieces, and there will be strength in numbers. It is fundamental to our nature.