Either the NORKs are conducting the biggest bluff in human history or they are slowly being talked off the ledge of nuclear war by a master negotiator.
Perhaps, unlike his daddy, Un realizes there’s no future in this. Being the supreme leader of a glowing ash heap is less appealing than being a supreme leader of a country that can climb out of it’s self-imposed hell.
Glowing ash heap light up the sky unlike current map of of the world with NK dark at night.