Yes, but it’s what it is doing with it that is the murky grey area. Anyone can read a book, but you can’t use those books for your own commercial stuff. Rowling and other writers are making the case their works are being used in an inappropriate way commercially. Whether they have a case iunno ianal but I could see the argument at least.
Youtube literally flat banned any channel with CP in it. Regardless of what CP actually stood for, like say combat power in pokemon go… Lots of bigger YouTubers got hit with account closures for like a week before it got reversed.
https://www.techspot.com/news/78814-youtube-bans-several-pokmon-go-channels-over-mistaken.html