Here's the kicker: Osgood couldn't care less if Daphne was once a fella. He was all about acceptance and love. Some say he knew, but he fell head over heels for Daphne, anyway. Talk about a fantastic ending.
Malcolm's actually a spirit himself, and only Cole can see him. Even though he didn't know, Crowe handles it like a champ. He accepts his fate and shares a touching goodbye with his wife, filled with love and no grief on his face.
The ending of Oppenheimer is pure brilliance. They managed to weave those decade storylines into one powerful message about the bomb's importance, its far-reaching effects, and the personal burden it placed on Oppenheimer.