When she talked about her role, she said: "When I read the script of 'Inglourious Basterds', I was like, wow, it's been my dream to kill Hitler since I was like four so I was kind of like Shosanna already. I'm Jewish. I read the script together with my grandfather and he told me, 'You have to make that movie, please.' So it was not just for me, it was for my family".
Character development doesn't equal theme. There is a such thing as static and dynamic characters. Not that I think Vincent is a static character necessarily.
Anyway I don't really need to say anymore because you literally have no refuted anything I said :D
but I will because there is more to say
It is REALLY fucking hard to not have a story with a theme. I think comedies are really the only ones that can do it, maybe. And having a theme does not make a movie better in any way. That's why it's weird when you say it's "just a movie" like that makes it more pure or something.