Except the definition used in the article, a ban is when a parent group disagrees with the authorities (the librarians) and does not want the book in a tax-payer funded library: "PEN America defines a school book ban as any action taken against a book based on its content and as a result of parent or community challenges, administrative decisions, or in response to direct or threatened action by governmental officials, that leads to a book being either completely removed from availability to students, or where access to a book is restricted or diminished."

So if a librarian goes to a conference and learns, "hey we need to remove these books from the lirbary because they are bigoted/racist/problematic" and they do so, that is not a book ban. But if parents say, "hey this book is not appropriate for our kids, this should not be in a school library", and they raise hell to get it removed, that is a book ban. The whole framing is dumb.