There's a new dimension to this 'dicking with the photographic record', and that's AI. You can already generate any pic you want, and the results are increasingly seamless. (Excepting the hands... It still struggles with hands.Though I'm seeing MidJourney starting to do convincing ones.) Give it a few years, and no photograph will ever be trustworthy again. The camera never lies... Errrm.
Unless the tools to spot this keep up with the tech that makes it, then any historian from the 1830s onwards is in trouble with photographs. Ars Technica - Viral Instagram photographer has a confession: His photos are AI-generated
Yep, the uncanny valley is soon overcome - but the last section is the steepest... Transparent source citations and cross-referencing are becoming more important than ever. (And Brandolini's law will once again be impressively confirmed).