Earlier quoted context omitted.
Maybe a naive question, but how are they any worse than having phones with non-transparent hardware/radio drivers in your living room? We seem to have accepted that risk, and even carry phones around everywhere.
We use smartphones for the same reason we don't avoid any non-free software like Stallman: a huge amount of additional possibilities. But what Alexa, Siri etc. offer is just a different way to use a limited set of existing features, in exchange for a much higher risk of a privacy breach. Everyone needs to draw a line somewhere, I just don't see a reason to use voice assistants, definitely not with internet connectivi…
Google gives you a UI to view and delete your recordings and suddenly they're monsters.