I am not really a doomer. But I do think that societies and individuals that do not prepare for the worst (and hope for the best) are needlessly endangering themselves. Tail risk events happen. An MIT study earlier this year predicted that the global economy would collapse by 2030.

A new national survey by National Geographic and Kelton Research finds some interesting results:
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Which cataclysmic movies do Americans worry might come true?
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7% of Americans think the Planet of the Apes might come true? Really? 30% of Americans think that the events of Roland Emmerich's 2012 might occur?

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And how prepared do Americans think they are for such events?
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But in reality - in terms of what people have actually accomplished - few people seem ready for anything:
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9% of people have alternative power sources? 21% have made some attempt to grow their own food? Only 43% have a spare supply of drinking water?

Not prepared at all.