[ It's a pretty good question. And a deep one, depending on how you think about it. Alice isn't sure what to say about that in general, but..

In this case it's pretty obvious. She gestures at the fallen robot. ]

These sure aren't. They don't even seem to be intelligent. All they do is move to attack people the moment they spot movement. [ Judging from its behaviour in the fight with her just now. ] These were just made by people, though said people don't seem to be on this planet any longer.