> Switching to low-tech weapons sounds unrealistic because it would require global cooperation Imagine a version of game theory in which a defector gets a huge

> Switching to low-tech weapons sounds unrealistic because it would require global cooperation Imagine a version of game theory in which a defector gets a huge, overwhelming advantage, but everyone declines to defect because they just have so much integrity and a vision of a better world. Now imagine how different the universe would have to be for that to work.