…and not just any humans.
Listen to this very-well-done podcast about one of those times when thermonuclear war did not happen: Flirting with the end of the world.
Automated systems need to be supervised by humans, and not just any humans, as Stanislav Petrov’s story makes clear. Individuals and bureaucracies that themselves behave in a totally robotic fashion cannot be adequate supervisors of the automation. See also my post Blood on the tracks for an additional example.