The critique that there are no Japanese characters doesn't make a lot of sense. I'm not sure how they'd fit into the narrative, and also I don't trust an American director to really do that story justice. They could only ever write an American interpretation of the Japanese experience of the war.
If anything, we should use this opportunity to promote films by Japanese directors that do deal with these themes.
while removing the scientific contributions and actual relevance of women to the Manhattan Project is just what biographies do, actually. 

