slippery slope fallacy. your reason for why the ai-generated porn should be illegal is that it might result in an actual offense later. this makes it clear the actual offense is the real harm and the only harm of the "creepy and weird behavior" is its theoretical relationship to actual molestation. that makes it a slippery slope argument which is fallacious. in no other crime do we treat fictional depictions of the crime to be the same as actually committing it.  the man shouldn't be jailed for thought crimes. when and if he actually molests or attempts to molest a child, arrest him then.
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