I think in that kind of hypothetical scenario you can spin it in a number of different directions. I would go back to the fact that the regime in North Korea is primarily motivated by its desire to survive itself and sustain its rule. While their rhetoric is colourful and their behaviour occasionally strikes us as peculiar, they're no fools. They understand the consequences of that kind of an action.
On September 14th, 2017. See this statement in context.