Banning a book in a school district still signifies a form of authoritarianism. If someone is prevented from reading Maus[0] (or finding out they are in a cult, or a victim of domestic abuse), what is the effective difference to them between an authoritarian censoring it at the national level or the local one?
[0]: https://www.pbs.org/newshour/arts/holocaust-novel-maus-banne...
By that definition everywhere throughout all time is authoritarian.
Everywhere throughout all time is obviously not authoritarian, so the definition fails. Sorry, you are wrong.
The effective difference is of course that they could easily get that book from somewhere else if they want it.
If I'm prevented from bringing my dog into a restaurant, that doesn't mean that dogs are banned. It means I have to go to the restaurant on the other side of the street.
If McDonald's doesn't serve any hard liquor it doesn't mean that alcohol has been banned in the country.
We "ban" things from school kids all the time, though: Pornography, gambling, smoking, alcohol, R-rated movies.
Dua Lipa wasn't doing a photo op with Maus. In the photos she's posing with modern books that are still being promoted by their publishers. I'm not familiar with all of them, but a quick search shows one of them is not appropriate for elementary schools because it includes essays debating which sexual acts are appropriate for feminists to perform and other adult topics. Why is it "authoritarianism" to say that a book like that doesn't belong in my kids' school library?
This is a promotional stunt, and I'm surprised more people aren't seeing through it.