What can you say? Sometimes the genocidal killers win, stay in charge, and have no reason to feel shame for what they’ve done. Someone finally got the great idea to interview these people and allow them to glorify/incriminate themselves. Letting them tell their own stories through filmmaking and showing the behind-the-scenes process was a stroke of genius, and filming it must’ve felt terrible and dangerous, as evidenced by all the anonymously-credited crew members.
Never go to Indonesia.