Some of them. Some of them remember Manchukuo. So what— generationally these are not memories of the population (those generations largely disappeared by several huge Maoist famines, killing millions). They are only “aware” of it only to the extent of current chi-com propaganda telling them this.
Maoists have done far worse-— to their own people, than the Rape of Nanking, while obscuring the history for their own purposes. Japanese got rid of the samurai/shogun meme in the death knell poetic movement of Misima, and channeling this new stoicism in the manner of W. Edwards Deming. The Japanese post WWII economic miracle of Deming is what these later generations of Japanese grew up on. And they, btw, are the major lynchpin for economic engine of the chi-coms dependency.
Lets send ships to Hong Kong
I first hand have seen the economic miracle of Asia in South Korea.
Most inventive and hard working folks Ever.
We here in the U.S. have not really seen war since our Civil War.
It changes folks.
Makes them want for and work harder to achieve.