It can also be used to discredit blackmail material. I think this tech is more of a threat to the internationalists that otherwise keep large collections of blackmail material on many nations leadership, generals, executives of major industries, and so on. "Deepfake" becomes a widely used excuse, suddenly every executive, politician, and public figure, has an out. It doesn't matter if its believable, only plausible, and thats enough for the followers or base of any public individual--in the same way that the left calls everything "disinformation".