A smart home, you see, isn’t actually terribly smart. It only knows that your Philips Hue lightbulbs and connected television are in your sitting room because you’ve told it as much. It certainly doesn’t know where exactly the devices are within that room. The more it knows about a given space, the more tightly it can choreograph the way they interact with you.

https://www.bloomberg.com/news/articles/2022-08-05/amazon-s-irobot-deal-is-about-roomba-s-data-collection