The problem with that argument is, that you can translate that to games, movies, books and basically everything. What if a person isn’t satisfied by killing people in pc games? What if they go into real life?
That argument is only valid for people who can’t differentiate between reality and fiction. And usually those people need medical help.
People who already have a desire for the real thing usually won’t be satisfied by pc games or whatever.
The point is, that usually fiction doesn’t fuel desires to be tested out in real life