They don't want to making films that are false or give people false beliefs. This could starts fights or even rebellions.
Abstract (or TL;DR): An academic with living history experience muses on ideas of “historical accuracy”. True historical accuracy is impossible to achieve, but is an ideal to which one should aspire in living history museums, historical re-enactments, and historical dramas.
World War II was the deadliest military conflict in history in terms of total dead, with some 75 million people casualties including military and civilians. Many civilians died because of deliberate genocide, massacres, mass-bombings, disease, and starvation.