"Secret listening machines everywhere" was a pretty big thing in East Germany. It's also the central theme of the movie The Lives of Others.

Of course, the ability to scale this more cheaply (throwing more compute at it, instead of more people) is somewhat scary, but it's not really introducing a new capability. Especially since you still have to do something with the transcript. An AirBnB landlord who reads the transcript of what you said could as well have listened to the recording.