It is a performances centric movie

The performances transcend the film's tropes, grounding it in characters that feel more complete than this subgenre often produces.

If you're interested in the topic at hand, you should just watch it and judge yourself because the reviews have gone very biased by people that didn't even watch it and just hate (or love) the creator. I liked it, it was well written, narrated, and directed and it was about a topic that interests me.

The film never slows down or bores, plunging from one harrowing sequence to the next.