Some participants remembered deepfaked remakes of movies like the Matrix coming out in theaters after watching doctored clips.
I wouldn’t doubt it. Even text headlines are enough to create false memories. We see a headline claiming a thing, if we don’t do any due diligence or have some prior knowledge to see behind the headline and just take it at face value, then it almost becomes a sort of factoid. If it comes up again, we just recall having read about it somewhere, but now we’re seeing two data points, so maybe there’s something to it.
I’m sort of concerned about articles like these because it isn’t as if convincing fake video wasn’t possible until now. I remember watching a show talking about the JFK scene in Forrest Gump which was produced way back in 1994. Bad actors have had access to deceitful tech forever. It’s just a bit easier now.