The potential consequences of such a revelation that “they might’ve been a pornographic actor” could give rise to a future scandal during an election. Even the slightest insinuation of involvement in the adult entertainment industry can inflict significant damage, particularly for women.
We’re actually seeing AI-generated imagery being used more and more in political propaganda (eg https://www.nytimes.com/2023/06/25/technology/ai-elections-d...). It’s not unreasonable to think this will become a major point in a future election, even if it hasn’t yet.