I can't be the only writer seeing this: my sales have tanked over the past few months. I have 9 novels & a short story collection out in the world, widely available in all venues. Up until early this year, a few books would sell every single day. With little to no promotion.
The biggest factor I can think of is the rise of AI slop for sale. Maybe it's also partly because of the economy & lack of money for non-essentials.
But, wow, is it demoralizing.