Miyazaki reportedly hated the ending and didn't want to have such a tidy solution, but needed material because he was greenlit for a movie and Nausicaa was all he had.
The other 3 books from the manga go into much more depth politically and spiritually, with a lot more philosophy about ecology and even what it means to be human.
frollogaston
That makes sense, the ending was always my least favorite part too. It's too convenient.
The other 3 books from the manga go into much more depth politically and spiritually, with a lot more philosophy about ecology and even what it means to be human.