Conversation

It's funny how people think a post-apocalyptic landscape will be relatively flat socioeconomically. At most they think there will be small-scale warlords or Dunbar-scale anarchist communes. No. There will be deathstar billionaires with private armies and narrow-deep tech stacks.
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The industrial age has made us (falsely) believe that an "industrial base" has to necessarily be a nation-state scale at minimum. No. A complete industrial tech stack can be built as a fairly narrow single-billionaire pillar.
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A traditional "industrial base" has steel, sulphuric acid, power plants etc. at the bottom, and space programs and aircraft carriers at the top. This kind of stack can now be replicated with a *very* narrow footprint. I think you could do it for $3-4 billion in a small city.
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Replying to
Have you read 1632 by Eric Flint? It's an interesting (fictional) model of how this could work for a couple orders of magnitude cheaper on mid-19th century tech.
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