That I cannot answer. The way Anna’s Archive works, I believe, is that the files are stored somewhere else. They do care about privacy though, and even accounts are made without email with a random string as your username. Might want to look into it some more.
Anna’s Archive (Currently located at [https://annas-archive.gd/]) would be my site of choice to share the book on! I can’t comment on the scanning thing though, sorry about that.
Some very niche books, like books that are related to a game series for example. Also some university literature, scientific papers and history/culture books that are either hard to find or very expensive locally.
AA has managed to stay up for surprisingly long. I hope they will continue to do so. There is a large amount of documents that are hard to find anywhere else there, not to mention all the university books that would cost a a fortune to buy for a poor student…
EDIT: typo.
The pedophiles are the ones deciding what to do with the tax dollars, unfortunately