Writing is hard, we know. That's why Hollywood writers have to rely on tricks to get you to root for the vampires in one movie, when in another they are terrible innocent-killing machines.
If there are two things the Internet loves, it's cute, fuzzy animals and deadly cyborgs. As awesome as those two things are on their own, though, combining them gives us something that's often more disturbing and insane than either of those could bring us on their own.