IMO this ruling will be the inflection point that kills either the book publishing industry or the US big model frontier lab industry.
It's trendy to say it'll be the later, but I see a credible case for the former.
I see no reason to pay for a textbook in 2026, while I'm happy to pay an expensive monthly subscription for a coding agent.
(And before someone accuses me of being anti education or anything, bona fide scientist with a PhD here and I have written book chapters for a couple of popular textbooks).