I fully understand porn, but I don't understand that. What is the point of having porn with the specific face of a non porn actor/actress? Is this a fetish I don't get? Artificial revenge porn? Having fun putting the face of $(your least favorite personality) on top of a lascivious body?
A substantial part of the model-sharing site Civitai's available content is models or LoRAs based entirely on specific people (protected by personality rights, depending on jurisdiction) or characters (usually protected by copyright and often by trademark).
For a more-or-less work-safe example, here's one made to specifically reproduce Christian Bale's appearance as Patrick Bateman: https://civitai.com/models/8476
I can also understand parents of teenagers argue for more regulation - we've got enough teen suicides as is and I don't see how this tech helps with that. I can see plenty of ways it makes it worse.
But all of the above is just not a thing if the generated person doesn't exist and is hardly similar to anyone alive.
The article even says "Now, certain corners of the internet are inundated with these explicit images of women who don’t exist".