This is an excellent example of a "Gruyère" movie....filled with inconsistent holes. Of the many examples: if the child was an hallucination of the main character, then can anyone explain why the movie spends an entire scene where the child (alone) picks in the cockpit of the crashed plane and "gets scared" when she sees the dead pilot? Anyone? please someone explain that, because I can't.
Scientifically speaking, the propagation of a species cannot be sustained as proposed unless we have a nice large pool of genetic material, ergo many more men and women are missing in the movie to make it credible (side note: that should make us think about our own origins).
Emotionally, the Mandalorian has...well...Grogu....you can't beat that level of viewer's liking for a character. Even Darth Vader is more likeable than anyone in this movie.
However, this movie (not a film for me) gives one true fact: being a good actor does not make you a good director.