He'd be destroyed for sure, but he'd do a lot of damage as he goes.
If he feels backed into a corner, why wouldn't he just take as many people with him as possible?
Sadly, for the sake of the world, we need to let KJU go unpunished.
Let him live out his days in a cushy mansion in China so that he doesn't start lobbing nukes everywhere.
I believe that to be the sanest course of action.
If KJU tried to "go rogue" (especially if it meant betraying his own country) he'd be dead within a heartbeat. Accidents happen.
I'm just thinking that if I was a remotely rational dictator in his position, that's what I'd do right before 'showing them' and sending off a nuke or two that would probably/possibly lead to the obliteration of my own people.