I don't follow, if content checkers are wrong for not being able to tell original art from AI slop because they have been trained on datasets that include the original art, why wouldn't they also be wrong for the same reason on newer art? They would still likely absorb that newer art into their datasets.

Okay after writing it out I get what you mean, but I am thinking that the turnaround time of absorbing new art, using it to produce AI slop requests a few dozen/hundred/million times, and then calling the original works AI because the AI sloptificator can no longer tell the difference will be a constant, unless there is some way to track OC across multiple AI agents in the panslopticon.