Ever since her June 10 essay explaining ‘Her Reasons for Speaking out on Sex and Gender Issues’ dropped on her website, fans and critics alike have rightly condemned J.K. Rowling for her transphobic views.

The “Harry Potter” franchise is known for many things: magic, great storytelling, complex characters and now, apparently, a gay icon. For context: in 2007, author J.K. Rowling announced to Carnegie...