Earlier quoted context omitted.
I thought the person you were responding too was saying that isn’t what physical libraries do. Also, as far as I know that isn’t what physical libraries do. They buy licenses to share e-books. And don’t physically scan anything.
I meant that digitally lending the books out that IA owns 1-to-1 in the same way a real library lends out physical books should legally be treated the same, regardless of any ebook-specific licensing.
Owning object is different that copyright. Copyright owner is only one that can license making copies. Owning a book gives no rights to make copies, with the exception of making personal copies.