“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:
yeah, they were adverts for the Harry Potter Experience exhibition expanding to include a whole section about gringotts bank, here’s the article i got them from: https://www.belfasttelegraph.co.uk/entertainment/film-tv/news/harry-potter-studio-tour-to-expand-to-include-gringotts-wizarding-bank/37760986.html