The great irony of the AI era may be this: the most dangerous version of artificial intelligence does not look like a cold calculating machine indifferent to human life.

Suppose that you had to die in a terrible artificial-intelligence-related cataclysm. Would you feel worse knowing that the path to destruction was smoothed by the hubris of Silicon Valley tech lords pursuing dreams of utopia and immortality -- or by the folly of Pentagon officials who give the A.