I get the vibe from most 'survivalists' that they're hoping on some level for society to fail. Most are poorly socialized and on the social and economic fringes of society to begin with. IMHO it's wish fulfillment fantasy unmoored from reality. Of course, it's a sliding scale and a slippery slope; where does prudence segue into paranoia?
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman