In the UK the law is about “prohibited images of a child” and they do not have to be photographs, but different jurisdictions will vary.
Such laws are often justified with reference to CSAM, but then cover more than it. Because people generally find paedophilia repugnant, it then gets treated the same even though no harm has been done, because nobody is willing to be labelled as the guy who “defends paedos”.
In the UK the law is about “prohibited images of a child” and they do not have to be photographs, but different jurisdictions will vary.
Such laws are often justified with reference to CSAM, but then cover more than it. Because people generally find paedophilia repugnant, it then gets treated the same even though no harm has been done, because nobody is willing to be labelled as the guy who “defends paedos”.