Documentaries - Expanded Topics

What is the role of narration in documentaries? How do documentary filmmakers stay objective? What makes a documentary feel unbiased or biased? How do nature documentaries get their footage? What makes a documentary go viral? How do environmental documentaries drive action? What is the line between documenting and exploiting? Why are economic documentaries hard to make compelling? Why are true crime documentaries so popular? What is the difference between advocacy and propaganda in documentaries?