Calling for a Vibrant Era - The True Meaning on the Hillside of Poppies

I recently read some articles written by Hayao Miyazaki and found that Master Miyazaki is very dissatisfied with the current era. He believes that the current era is a "degenerate era" and an "era of despair full of desires". "Can't see the future". So you will find that in the animation works he recently participated in the screenwriting, Gong Lao no longer imagines the future and shows romance. He thinks it's all "fake". He needs to find a real "thing" or "model" to help him save this world, this era.
So Miyazaki went back in time, back to his youth, the 1960s. This was the most vibrant era in his life, and it was also the most vibrant era in Japan. At that time, the youth had ideals, vigor, unity and diligence, and full of hope. At that time, young people were pure in their thoughts and pure in their feelings. They all hold their chests straight and speak in high and powerful voices. They are neither submissive nor arrogant in the face of powerful people. They have strong perseverance, will not give up in the face of setbacks, and persistently pursue their goals.
This movie isn't just for so-called "nostalgia." In the film, the author asks the male protagonist to clearly tell us that some so-called "old" things cannot be given up at will. We can make it "new and beautiful" by "cleaning" it.
Another line of the film is the love and life experiences of the hero and heroine, which some people think are unnecessary. But I think that this thread actually has important implications.
First of all, Gong Lao expresses the "innocence" of that era through the pure love of the hero and heroine, and uses "innocence" to contrast the "degeneration" of today's era.
Secondly, the hero and heroine did not give up their love because of their background and possible blood relationship, reflecting the "strength" and "vigor" of that era.
Third, the reason why the author introduces the life experiences of the hero and heroine is to highlight their "father". This suggests to us that the reason why that era was full of vigor was because their "parents" were so "vigorous" (as can be seen from the episodes of "elope", "join the army", "adopting", etc.). Today's young people must inherit their "father's will" and pass on this vigor from generation to generation, so that today's "desperate" era can be filled with hope.
Youth is the hope of an era, both men and women. Through this film, Hayao Miyazaki tries to awaken today's youth, hoping that they will be "independent", "strong" and "integrity" to create a new era of vigor and vitality.

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