The founder of a black hair-care empire supported the NAACP and the Tuskegee Institute, helped preserve Frederick Douglass's home. She also tried to used her prominence to stop lynching.
A great movie that gets some of its history wrong is way better than an accurate film that puts people to sleep.
From The Crown to Outlander to classics such as Pride and Prejudice, clothes make a period drama. In The Crown, historical accuracy was crucial; other shows incorporate modern elements.