I really wonder about the agency of people. OK, you bought the book, good to support the author. Now go get a known good copy of it that you can disconnect, there’s hundreds of places you can do that. Put it in Calibre or whatever else you use or just drop it in your filesystem (icloud doesn’t count, dummy). Then it’s yours.
“I’m concerned about the ownership of ebooks”
I really wonder about the agency of people. OK, you bought the book, good to support the author. Now go get a known good copy of it that you can disconnect, there’s hundreds of places you can do that. Put it in Calibre or whatever else you use or just drop it in your filesystem (icloud doesn’t count, dummy). Then it’s yours.