It's actually kind funny how they're basically a JK hate sub at times.

Like my dudes. She had nothing to do with the game other than making a ton of money from it. She'll thank you for the free marketing and move on. You should all do the same.

I have a feeling most of them probably have Harry Potter tattoos and are just bitter JK doesn't share their exact opinion on everything, which makes her the worst person ever to them.