Why? You may think your work is super unique/original/awesome, but the reality is 99% of the content of 99% of books is not unique or original, and those works wouldn't exist without massively relying on and borrowing from other works.
> it's certainly important for the brilliant and under-appreciated people who work in publishing, maintaining the fragile existence of our greatest technology: the book.
There are better ways of supporting work you find important than the parasitic publishing industry and copyright.
> maintaining the fragile existence of our greatest technology: the book.
Books existed long before publishers and copyright, and seem to have survived quite well.