Yes war sucks and they'll use whatever nasty stuff they invent. Of course, Hamas could just surrender and release all the hostages.

Right. The vague concept existed before in many different forms. She put hircruxes in her books and made them a thing that people understood. I'm not saying she's a great writer, but she clearly appealed to a lot of people with her writing, and not just kids. Her stories at least had decent morals. I'm not defending any of her anti-trans crap, but her Harry Potter fiction is a separate thing.

Um, where else did you get your original definition of a horcrux?