On Reddit, u/agentfitzsimmons called the beacon scene "just beautiful, visually and story wise. Perfect depiction of Batman being the beacon of hope." Admittedly, maybe the visual of Batman-as-beacon is a bit heavy-handed and obvious. Still, the movie succeeded in establishing the connection between Batman and the boy. Another fan, u/Kevward, said of the scene, "... ooof my heart. That scene was insanely well done." It also did a good job of portraying how the regular Gotham citizen's wariness of Batman became something more positive: u/tanon47 said, "Also, when he was carrying that person and putting her on the gurney, she wouldn't let go of his arm. Hit me in the feels ... whew."
The message of hope, long a prevailing theme in "Batman" media, is often accompanied by images of fear. And fans say that juxtaposition, along with that of a child's innocence next to a man who considers himself ruined, makes an impact — not just for Gothamites but in real life. "This movie's last act truly showed the evolution of the character and gave hope not just to the people of Gotham but also the people in each and every theater," said u/Archjio.
This scene, coupled with Bruce's emotional growth, allows the film to end on a somber yet optimistic note.