[hnaccy]

There isn't one.

The atomic bomb is a blunt instrument with no finesse. The ability to vaporize large groups of people in a flashy infrastructure destroying display is not particularly conducive to control.

Atomic bombs don't let you watch, record, and analyze the movements of millions of people. They don't let you record and analyze the personal lives, conversations, and secrets of millions of people. They don't eliminate the need for human labor.