It is an interesting ethical question that needs more research done in to it. Though given how people's brains tend to shut down upon hearing the topic, I feel like the general public would be vastly opposed to it even if it was proven to lead to better societal outcomes (decreased child abuse).

there is a history to that. In some US states it became illegal to have cgi images of CP , Secondlife had that problem and they still ban it. I think it got turned down on free speech grounds but there are still some kind of restrictions