The argument is that virtual porn normalizes actual porn and virtual abuse normalizes actual abuse. You know, like how the Bible normalized burning people alive.
Leviticus 20:14 (KJV)
“And if a man take a wife and her mother, it is wickedness: they shall be burnt with fire, both he and they; that there be no wickedness among you.”
Leviticus 21:9 (KJV)
“And the daughter of any priest, if she profane herself by playing the whore, she profaneth her father: she shall be burnt with fire.”