Good luck with that. If something is easily accessible, it will be accessed by easy people, and if it can flood a platform, it will. Easy people don't care. Easy people will never care.
You'd have to make LLM access harder, or make all platform harder to access, or both. And both will also penalize the not easy people. Like it always does.
'pends. You gotta be antimimetic without saying you are antimimetic.
One answer is to move on from the party when it isn't fun anymore and start a new party. Like the way you are at the bar at last call and get an invitation to a party where they're drinking at someone's house.
More than one statue of limitations ago I was in an activist group that helped take down a public corporation (they deny our responsibility) and it was not hypothetical, we were being infiltrated by the FBI, and pretty regularly we made a new mailing list with names that we trusted and moved our planning there.