The PC movement has banished a good many miles of film so far. This one, Triumph of the Will, most the WW2 era and before cartoons, and most of the Our Gang films because of the way Buckwheat and other Blacks were shown.
Even Tom Sawyer is in trouble over the use of a few words.
History is what it is and to understand it we have to be able to see it and hear it truthfuly.