It sounded like a sociopath. All emotions are faked, they're both just doing what they think is more appropriate in that situation since they have no feelings on their own to guide them. And the lack of empathy becomes clear, it's all just cognitive. When the GPT voice was talking about the dog it was incredibly objectifying, got triggered from my ex. "What an adorable fluffy ball" "cute little thing".

The reason we feel creeped out is because at an instinctual level we know people (and now things) with no empathy and inauthentic are dangerous. They don't really care or feel, just pretend to.