It's entirely possible that sending the audience out feeling lousy was intentional

Tells a fascinating and unsettling true story, and does so well, without pretending to have all the answers.

By the time the dramatic fireworks start popping off, each one feels earned.

There are moments that feel comical, some horrific, and some downright inspiring but the tonal shifts hardly matter as the end results come to a film that's perfect for this time.