Wednesday, December 26, 2018

O survivalista com uma cabana cheia de armas tem a matemática do seu lado

The Surprisingly Solid Mathematical Case of the Tin Foil Hat Gun Prepper, por Bj Campbell:

There’s a common misconception in the media about the eventuality for which the preppers are exactly prepping. That’s because they’re a diverse group, and prep for many different things. No, they aren’t planning for a revolution to overthrow the government. (Most of them, anyway.) Mostly they’re planning to keep themselves and their families safe while someone else tries to overthrow the government. That, or zombies. (More on zombies below.)

While we don’t have any good sources of data on how often zombies take over the world, we definitely have good sources of data on when the group of people on the piece of dirt we currently call the USA attempt to overthrow the ruling government. It’s happened twice since colonization. The first one, the American Revolution, succeeded. The second one, the Civil War, failed. But they are both qualifying events. Now we can do math.

Stepping through this, the average year for colony establishment is 1678, which is 340 years ago. Two qualifying events in 340 years is a 0.5882% annual chance of nationwide violent revolution against the ruling government. Do the same math as we did above with the floodplains, in precisely the same way, and we see a 37% chance that any American of average life expectancy will experience at least one nationwide violent revolution.

This is a bigger chance than your floodplain-bound home flooding during your mortgage. (....)

“But if one of these things happens, you’re screwed anyway!” Well, sure. The point of disaster planning for a hurricane, tornado, earthquake, or wildfire, is not to be “not-screwed.” It’s to be notably less screwed. (...)

There are certain things in the world you’d rather have and not need, than need and not have. And paramount among those things, given the state of the modern human condition, is a rifle.

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