I think we will definitely see a rise in AI generated writing, but I doubt it's going to wipe out books as we know them. I like the comparison another commentator made to music. Yeah, a lot of the mainstream offerings are cookie cutter garbage, but I can log onto a multitude of sites and find incredibly talented artists I never would have heard of twenty years ago.

There's already tons of mediocre books out there. With online publishers being so common now anyone can technically be a published author. Doesn't mean they're actually successful. I think it's inevitable that well see some AI generated crap make the best sellers list simply because they're backed by a company with money, but that's hardly different than it already is from people buying their way onto the New York Times best sellers list.

As a reader sometimes it is frustrating to see what gets touted as "an instant classic", but no one is forcing me to buy them. And just like with music, now with the internet I have almost instant access to more books than any store or library could ever offer.

I don't know what it takes to become a successful author, but I often joke that if I were to ever attempt it I would write religious children's books because they seem to sell no matter how poorly written they are.