There is something to be said for the effect of a poor mental diet on one’s choices.
It doesn’t matter, though, because we all have the right to a poor mental diet.
What if poor mental diets do lead to harmful action? There is the argument that pornography causes men to have unrealistic expectations and act in harmful ways to fulfill them. Is there ever a point where society’s needs overwhelm an individual’s right to shoot virtual people and look at sexual imagery?