The recent The Boy and the Heron documentary on Studio Ghibli and Hayao Miyazaki, 2399 Days with Hayao Miyazaki & Studio Ghibli, garnered controversy this week after many people knowledgeable of Ghibli's affairs considered it an exaggerated and even false account.
Source:https://www.cbr.com/studio-ghibli-new-hayao-miyazaki-documentary-fake-history/