Luke said he absolutely will not allow CSAM on his node and I think he meant it like his place in heaven depends on it. Not adding my opinion or judgement, not being dramatic, just repeating what he expressed on the recent Jimmy Song, Tone, Bitcoin Mechanic discussion.
Discussion
i don't see how he can stop that. nostr:npub1ej493cmun8y9h3082spg5uvt63jgtewneve526g7e2urca2afrxqm3ndrm already showed you can store data in a way that is already fully compatible with his proposal.
since you can push data in scripts there will always be a way.
It seems that is his motivation regardless. Unless I misinterpreted his statement, but I think he communicated it pretty clearly.