I assume by CSAM you mean any indecent image of a child, since there's only one legitimate use of material generated by, or for, child sexual abuse: as evidence

I assume by CSAM you mean any indecent image of a child, since there's only one legitimate use of material generated by, or for, child sexual abuse: as evidence, to catch and prosecute child molesters. that's the problem: the label "CSAM" implies intent as well as content. unlike "CSAM," "radioactive" implies only content - content that has to be deliberately mined and enriched in a handful of factories, not something that can be accidentally generated by billions of families. also, material can become CSAM without starting off as CSAM. imagine a baby monitor captures video of a toddler changing clothes. that's not CSAM yet - it's merely indecent. but now imagine a pedophile hacks the feed and shares it on a CP website. now it absolutely is, because intent (sexual gratification) and abuse (stealing and sharing the photos) have occurred. we need nuanced labels to implement a nuanced policy.