People copied and pasted faces of celebrities on another photo since 1990s. Nothing significant happened.

problem is not celebrities, problem is general every day people.

With celeberaties, atleast they are famous enough that the idea of fakes exist... but you are Johnny nobody, that's not a fake, you just got caught and don't want to admit you said/did it!

The court of public opinion is much smaller and personal, and 'evidence' is much more realistic and detailed.

general every day people will have to figure out that photoshop exists and that it contains AI now that can invent pictures from scratch. It should be easy to figure out, just explain that it can paint 100% realistically like a camera. The real issue is how people will start using this as a defense for criminal acts. "it wasn't me, all the camera footage is AI generated"

Becoming famous always had its risks because of mentally ill people targeting you.

Nothing new.

The trick is being rich without being famous!

What if someone printed yellow papers blaming Spain for a ship accident so the us would go to war with them?