The elites, in this case, being the people who own the rights and publish the books? Are you suggesting that libraries should increase the space they devote work going out of print? Books stop being published all the time.
And beyond that, I don't think you mean what you generally say here, that libraries should have books that are considered controversial by elites. I can think of plenty of books that are controversial to leftist elites and plenty of books that are controversial to right wing elites.
Yes, publishers being part of the elite but also the academic and media class. And I don't really care if they're left-wing or right-wing, whatever that means. I just want the general public to have access to books they're curious about, and especially so if they're deemed controversial. Yes, books go out of print all the time, but public libraries still mange to circulate them around to where they're requested.
And beyond that, I don't think you mean what you generally say here, that libraries should have books that are considered controversial by elites. I can think of plenty of books that are controversial to leftist elites and plenty of books that are controversial to right wing elites.