I've definitely been trying to grow my physical library again, after a few years of relying more on ebooks.
I know that encoding non-transaction data on chain is controversial, but this could be a valid use case: hashes for specific versions of important or controversial texts.
I don't really worry at this point about a future where Hayek or Nietzsche are inaccessible, but I do worry about a future where the space is polluted by subtly distorted versions, as everything is constantly dynamicaly rewritten to serve the status quo.