Images that have sexual themes involving characters that "cannot be distinguished from human children" are already forbidden here.
Beyond that, I don't know where that quote is from, what law it is referring to, or why you think it affects this site. Please provide that information - otherwise you're basically asking for more than 20k images to be deleted based on hearsay.
I mean, fine for whichever site you're referring to, but you are not being clear about why you think it's a problem for this site.