We are very very far away from having any kind of artificial intelligence on the level we currently exist. We don't even understand the mechanics behind our own

We are very very far away from having any kind of artificial intelligence on the level we currently exist. We don't even understand the mechanics behind our own intelligence. So if a machine is killing humans somewhere, it's because some human pressed the button. So I agree with you, I find the thought of humans killing other humans much more disturbing.