The military would survive a complete lack of Kims by inventing a new dynasty. Some hero of the Korean war would be found or created. And it would be done before the public learned of the death of the last Kim. And it would work.
The top goal of the UN should be the rescue of the North Korean people. The fact it isn’t clearly illustrates the worthlessness of the UN.
“The top goal of the UN”
The U.S. and S. Korea, and Japan in certain cases, should keep the U.N. out of anything they ever find it necessary to do vis-a-vis N. Korea.