Quote Originally Posted by MFauli
Sorry, Buff, but you're (unintentionally) forgetting about a crucial, very real part of all the killing in media: the terror of deadly fear, knowing that someone is out to end your life, or even knowing that there's no chance to survive to begin with.

You keep saying how it's the torturous nature of rape that makes it uncomfortable, but the same goes for murder.
See:

"2) I argue that murder can impart less physical suffering to the victim, depending on how it happens. As such, it makes sense that viewers can be more accepting while watching them on screen. [1]"