[ohyeshedid]

> If you study corrections at all

Hey friend, some people learn about corrections the hard way, so it's not assumptions and appeals to authority, it's a lived experience.

The approval processes of any vendors come with product restrictions, which function as bans.

[jdjdjrj]

Supreme court has upheld that some things can be banned if they are in the interest of maintaining the security of a detention facility. Inmates shouldn't be receiving books on how to make bombs for instance.

[ohyeshedid]

More than books on how to make bombs have been banned.[0]

[0] https://www.bookstoprisoners.net/banned-book-lists/

[jdjdjrj]

And? My one example is not an exhaustive list, summary, or assessment.

This still does not equate to a ban on books as you have represented.