Those would suffer even if they were forced to have "normal" (i.e. non-rough) sex. (IMO legalisation is the best solution for that, but it's an orthogonal issue

Those would suffer even if they were forced to have "normal" (i.e. non-rough) sex. (IMO legalisation is the best solution for that, but it's an orthogonal issue to the one parent was pointing out.)