A fraction of what an author makes through selling. And libraries end up selling those books after some time anyway, “ripping off” the author twice.
I think we all need to realize that there are so many things we do that could be compared to piracy, yet piracy is the one that’s made to look like the worst thing you can do. It really isn’t.
Even English “nursery rhymes” are passively threatening and morbid when you think about it.