Sweeping the streets of confetti and trash after New Year's Eve is not a lucrative job.
Our best hope is to create islands of by-humans for-humans media, software, communities, etc. They'll be "premium" in the sense that they'll more expensive and more exclusive, but for the people who are opposed to the fuzzy auto-completing away of our humanity it'll be worth it.
I do think that subcultures will develop with human-only values that aren't built around businesses, and the two will have a lot of interplay.
Honestly I am a bit surprised that Google Books is still around -- does it bring a lot of revenue? Why hasn't Google got bored with it by now?
We want competition and options in this space. It's one of the things I really like about Bluesky, which I only discovered recently. They enable competition and options for all core components of social media