Earlier quoted context omitted.
Perhaps. I would argue that there is some difference between seeing someone fall off a cliff and watching someone being tortured to death.
Then they should run sidebar ads on the gore sites. The point is that there appears to be a subset of the population that is not traumatized by this stuff. We may as well give them an opportunity to put that difference to use. Edit: and saying things like "well clearly these people are already traumatized if they're seeking this out, it's not good for them, we shouldn't give these jobs to them" seems laughably patern…
People come to their choices with all manner of existing problems and conflicts, and they don't always do things in their own best interest.