With Rising Book Bans, Librarians Have Come Under Attack
nytimes.com
nytimes.com
Though they do acknowledge that libraries sometimes restrict access to prevent theft or damage, or because of regulatory requirements.
If restrictions (or lack thereof) are due to regulations of the library system or school district, the librarians are probably not the ones who should be blamed.
So when they see a book that offends their easily offended sensibility they're gonna go right to the people they see standing around in the building.