Comment by Valakas_

The difference is that launching a nuclear holocaust button is a guarantee... of a holocaust. With AI it's a coin flip (we can debate on the probabilities) between utopia or holocaust. And also most people can imagine a bomb exploding and the damage it creates, and then imagine a bigger one exploding. But most people are really completely unaware (or don't really believe that it is possible) of the actual catastrophe that could be for a misaligned AI.