"So Trump didn't spout the usual syrup-drenched fawning drivel that typifies appearances at the UN these days.
Oh dear."
Blah, blah, blah ....
Your tough-guy, diatribe sounds like the hackneyed lines  from a '70s action movie, say Dirty Harry or Rocky. If they were uttered in a social setting, most people would have trouble keeping a straight face. (Most, but not all.  Bavius, Maya come to mind).
As a mater of fact, there are possible strategies to end the stalemate here other than missiles that kill millions.
Diplomacy has not been exhausted. And maybe the U.S. could start by taking its naval armada out of the Korean Peninsula.
As even Bannon has said, there really is no military solution to the Korean issue.
Millions of deaths, is not an option.