I found a very nice quote in one of the readings the other day. It says
“Evidently Barnouw believes that documentary exists to act on society by changing the viewer’s heart and mind.”
This quote is taken from “The elements of documentary by Rapport (2002).
I think it is an awesome goal to have doing a documentary. Although it is also a quite high aim I think it is good to keep something like that in mind while doing a documentary.