Unusual plot structure
Most stories start out with a character with a goal. The goal may evolve, or even change, but the hero is always striving to achieve. They experience many setbacks, and then at the midpoint they experience the "all is lost moment." This begins the reversal, which starts the hero on their journey to success. There will be more battles, but the tides have turned.
This movie, on the other hand, started with the character at the all is lost point. Whenever the character slowly began to climb out of the rubble, they lost again, and again, and again… It was exhausting. Then, almost as an afterthought at the end, they added "oh yeah she made good and everything was fine. Except (we should add in this bizarre narration where we "tell" rather than "show") her family continued to selfishly try to destroy her.".
That was that. There was no satisfaction. No cheering as the hero finally makes it to the top of the mountain. Just a narrated post-script telling us she won.
I've seen documentaries with more of a story arc.
On the other hand, it has a great cast and some snappy dialog. So there's that.
Movies are IQ tests; the IMDB boards are how people broadcast their score.