I can understand wanting supplies to survive some natural disaster that cuts you off from civilization for a couple of weeks. But I can't understand wanting to

I can understand wanting supplies to survive some natural disaster that cuts you off from civilization for a couple of weeks. But I can't understand wanting to survive the fall of civilization itself. That would make 1994 Rwanda look like a care bear picnic, and I'm not going out of my way to spend a long futile lifetime experiencing it.