In the future, it could power virtual avatars that render locally and don't require video feeds—or allow anyone with similar tools to take a photo of a person found online and make them appear to say whatever they want.
...or open a dystopian hellscape of disinformation, scams and corporate police state control of information at an unprecedented scale! Three cheers for the reckless pursuit of technology for technologies sake!
This is the death penalty with extra steps.