Over the past year, Rowling has proven to be a defiant force on Twitter , sharing her thoughts on politics in the U.S., fighting against sexism, and voicing her support for the countless women who have shared their experiences with sexual assault and harassment. So it's understandable that fans criticized her earlier this month after she defended the decision to cast Johnny Depp, an accused abuser, as the lead in the upcoming film Fantastic Beasts: The Crimes of Grindelwald.