It’s probably about as dangerous to minors as sitting the minor in a room while 2 consenting adults have sex, or taking that minor to a strip club. Does the screen itself prevent trauma? Would you be ok with having your child exposed to either of these?

What about a gentle and loving uncle molesting a child in a way not much different from playful wrestling? Wrestling is fine, but we all recognize the molestation is incredibly harmful, even in this situation (because the harm isn’t the violence of it, it’s the actual sex itself).

This is just common sense. Of course sexualizing (sexually activating) children (which porn does) at a young age is harmful. It’s probably very harmful to adults too in large doses like porn addiction.