that information is just not that valuable. I think this myth that the companies are listening 24/7 comes from an egotistical mindset that everything you say must be interesting.
What a callous view point. It's true that most of what the majority of people say is not that interesting, but there's plenty of people who do have conversations that are valuable for 3rd parties to listen in to. Throw a big enough net and you begin to capture a lot of these