This may be helpful to some:
Anchoring Effect. (Reference: https://www.pon.harvard.edu/tag/anchoring-effect/)
Anchoring is a cognitive bias that describes the common human tendency to rely too heavily on the first piece of information offered (the "anchor") when making decisions. During decision making, anchoring occurs when individuals use an initial piece of information to make subsequent judgments. Once an anchor is set, other judgments are made by adjusting away from that anchor, and there is a bias toward interpreting other information around the anchor.
Whether or not that fragment of information helps anyone is not useful to the thread in general.
Cofty is correct in the information he presented about Moon. Reading across a spectrum of media commentary about the new ROK President, nowhere is he presented as described by the initial poster.
I think its quite possible that the I.P. (or his information source) confused Moon Jae-In (the new President) with Moon Myung-sun (founder of the Family Federation for World Peace, lateer re-named as the Holy Spirit Association for the Unification of World Christianity, and generally referred to as the "Moonies."). This is a pik of that Moon.
Here's an image of the new President, as the I.P. may note, they are quite different.
As a final comment, both The Republic of Korea (i.e. South Korea) and China (and, I think we should include Russia) have a vested interest in attempting to maintain peace on the Korean Peninsula.
China (if not the ROK) have a long tradition of East Asia wisdom writings that often make more sense that west Asian wisdom writings. Pertinent to the problem of war, is the ancient book written by 孙子 (Sun Zi), the title of which is often translated as "The Art of War."
Two of his 'sayings,' may illuminate this discussion,
1. The supreme art of war is to subdue the enemy without fighting.
I don't think I need to expand that statement. But I will expand the other saying.
2. Appear weak when you are strong, and strong when you are weak.
That's precisely what the Korean Workers Party (the governing party of North Korea) has been doing ever since they (in effect) lost the Korean War. In the last stage of the war American saturation bombing pulverised the North.
Kim Jong-un did not need a bomb with the silly name of M.O.A.B. to know what will happen to the North in a real war. They know only too well, that a real war will mean their end.
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P.S. 1. Did you know: The nearest East Asia came to a nuclear holocaust was when the USA's commander in the Korean War, the almost insane Douglas Macarthur, frustrated by the Chinese entry into the war, wanted to drop atomic bombs at intervals along the North Korean/China border, in order to stop Chinese troops from entering North Korea.