US warns North Korean that it would be destroyed utterly if there's a war.

https://sg.news.yahoo.com/u-warns-north-korean-leadership-utterly-destroyed-case-003822907.html

We already knew that but the USA failed to mention that Seoul and Tokyo would be completely destroyed along with NK because NK would nuke these 2 cities.

Therefore, are SK and Japan prepared to give up Seoul and Tokyo and millions of lives?