You can extract a lot of information by knowing how frequent an AirTag has been approached by random iPhones. For instance, if I toss an AirTag into my neighbo

You can extract a lot of information by knowing how frequent an AirTag has been approached by random iPhones. For instance, if I toss an AirTag into my neighbor's yard, I can get some idea on when they leave/return back to the house by monitoring the AirTag's update timestamps. I can later use this data to build their activity patterns and whatnot. I understand that Apple has some mechanism to mitigate this, like "reporting stranger's airtags in frequent accessed locations", but unless it is proven to be reliable, I can't trust it.