No, because it's a small step from having a smart speaker - which is specifically designed to pick up someone speaking quietly from the other side of the room -

No, because it's a small step from having a smart speaker - which is specifically designed to pick up someone speaking quietly from the other side of the room - to go from "requiring a wake work" to "listening to every conversation". Especially when the companies involved (Google and Amazon specifically) have direct interests in knowing what you are talking about.