Good story, Not enough for a whole film

A lot of perfectly good film show their cards early, establish a unique premise and let the audience explore a topic at a leisurely pace, without much in terms of surprise. this film is not one of those films.

The film's masterful storytelling did its job. The message was clear. No need to overdo.

The best films of this genre always show a path and provide a takeaway for being a better person.