As we guessed, it seems that despite Google saying they were not making recordings of people's voices and mining them for advertisers, they were doing exactly that.
If it was a colleague caught wiretapping the workplace, we'd have them sacked and never speak to nor trust them again. In the case of Google, it's even more personal.
No Google service is free. We are the terrain they extract from. We always pay.
https://www.cbsnews.com/news/google-voice-assistant-lawsuit-settlement-68-million/