Piracy is seemingly the only bulwark against publisher abuses functionally. With that horrid multi-century copyright ruling, there won't be any free market in specific publications within living human lifetimes.

Libraries don't have the political power to do anything. In the video game space, piracy has been responsible for the only preservation done, and arguably enabled the market for remasters and releases on new platforms.

The ebook publishers will probably start encountering AI that is way better at OCR and scan cleanup. Imagine an AI that you simply run on a camera looking at a screen and you fast forward through a book at 10 pages per second: the AI picks it all up, scans it, possibly detecting layout and images.