They don't "force" anything. Trillion dollar AI companies and their owners have as much agency as book publishers.
They are "forced" to do this because that's what they have to do to abide by copyright law. They can't create a digital duplicate without destroying the original.
To do what?
They are "forced" to do this because that's what they have to do to abide by copyright law. They can't create a digital duplicate without destroying the original.