The device is still analyzing everything and necessarily needs to in order to identify the hot word. It could be doing any type of analysis and do anything with that analysis. It is all closed source so we will never know what it does in our home. And as the technology progresses, it will get better at analyzing, and so will be able to do more analysis and more advanced analysis, and we will then be more comfortable with having this thing in our home, because we will have become accustomed to it.

RMS was smart to call it out at the beginning before it became more powerful.