"speaking out against anti-Semitism" in this context means calling anyone who criticises Israel anti Semitic while desperately trying to brush the greedy blood drinking hook nosed goblin bankers that have a star of David on the floor under a massive rug
Link to article bcs I'm not a lib (CW: transphobia): https://www.telegraph.co.uk/news/2024/04/16/jk-rowling-holocaust-denier-allegation-rivkah-brown-novara/
edit: i linked the wrong article sowwy 
. here's the one i linked before by accident https://forward.com/culture/603271/jk-rowling-holocaust-streisand-effect/
On an unrelated note heres some of the official Harry Potter promotional material:
Show
Show
Didn't she write a book where the Good Team was going to stop the Bad Team from preventing the muggles from commiting WW2/the Holocaust?
yeah exactly she doesn't deny it at all!
Yes
Screenplay - that's the meta plot of the Fantastic Beast movies.