Christopher Nolan's movies share the human experience through different lenses, whether that be in a comic book adaptation, science fiction, or a nonfictional retelling. Fans will always get the sense that the first layer of a Nolan film is for visual aesthetics, yet the second and third layer compels them to dig deeper within themselves on philosophical ponder.
Source:https://www.cbr.com/oppenheimer-similar-dark-knight-trilogy/