"Have you listened to her announcements? She doesn't think of herself as a substitute. She views herself as Principal Washburn's replacement," Hermione said. "I knew she was going to go for that class. She refused to let people do any spells in Defense Against the Dark Arts last year. In an O.W.L.S year! Harry sent me his text. It's rubbish. I haven't been able to get rid of it. If it's not strictly standard, it's not for her."