Originally Posted by
Monty92
People aren't calling Trump mad for his actions on NK so far. They're expressing concern that if he is indeed mad, or more likely of a psychologically imbalanced personality type, then we have reason to fear that the racheting up of the rhetoric that we've heard from him is a harbinger of his inclinations to actually put his threats into practice, even if doing so was a terrible idea.
Of course, his willingness to put his threats into practice must be real, otherwise they are meaningless as a deterrent. But that benefit is predicated on the assumption that doing so would be the right and neccesary decision.