Matthew Kobach digs into studies on violent media:
[W]hile some audiences do enjoy violent content, additional studies suggest that participants that are exposed to media with the graphic violence edited out enjoy it more than participants who saw media with the graphic violence left intact. This is not to say that the one group did not enjoy the violent content, only that they enjoyed the content to a lesser extent. However, when audiences are given the choice between watching violent content or an edited version, people more often want to watch the violent version. This is where the disconnect exists: We choose to watch content that we enjoy less.
The Dish 