Whether it’s filmed under contract or created DIY-style, like a cam show, porn that is altered and shared without the consent of the performers is an affront materially as well as morally. Deepfakes can be difficult to defeat from a defamation angle, so perhaps a more effective remedy would be to take porn seriously as a part of the digital economy and crack down on deepfaking as copyright infringement.
Source: The Double Exploitation of Deepfake Porn | The Walrus