Yeah, they're not going to stop. They get better every time, and the better it gets, the more flexibility they have.
Soon enough the results will be sufficiently believable that actors/celebrities will be selling the right to use their image and voice for a role in a movie without ever actually being on camera.
Soon enough the results will be sufficiently believable that actors/celebrities will be selling the right to use their image and voice for a role in a movie without ever actually being on camera.