I don't think these can either, they don't list attack or defensive capabilities on the feature list that I saw, I assume this is just an over glorified video camera that can follow the intruder around.

You don't need a robot dog to have a gun. If you really wanted to have a wall mounted camera with a gun on it, it would be just as easy.

The AI company I work for recently rolled it out. It works. We are getting alerts when we block the view of a monitored object or an unfamiliar face is in a secure location. Many thousands of cameras are monitored with minimal human oversight.