And book banners may be driven by any political persuasion. In the 'Left-leaning' (rather more than leaning' of course) Soviet Union, universally acclaimed literary masterpieces (not books objecting to a certain lifestyle) were banned. All publishing houses in the USSR were state-owned, and every text had to get past the censor before appearing in print.

https://www.rbth.com/arts/331150-books-banned-ussr