The train has left the station, the ship has sailed, pick your preferred metaphor.
This week, the Copyright Clearance Center (CCC) announced the ability for publishers and other rights holders to include AI training rights as part of licensing arrangements. In other words, they're giving AI companies a one-stop shop for all their model training needs. Update: An article in Publishers WeeklyInternational news website of book publishing and bookselling including business news, reviews, bestseller lists, commentaries http://www.publishersweekly.com/ notes this licensing would be limited to internal use for licensees, which means it would not extend to public-facing models such as ChatGPT. However, it's easy to see how the CCC is taking steps to position itself to offer something more extensive.