I would say one of the main dangers is that it makes actual child abuse content more difficult to track, as some AI imagery borders the line of indistinguishable from real photos. So in a sea of AI-generated CSAM it becomes much easier for abusers to blend in their very real abuse content.
It’s gross either way and the social acceptance of sexualizing minors should be met with strong resistance; even if the tools used to sexualize children don’t necessarily directly necessitate abuse themselves, they facilitate the culture of abuse.