It's actually creepy how invasive they are and this is often where the customer-hostile relationship comes from.

"Install this overly invasive tracking device to let us make sure you are an ok risk and we'll give you this immaterial discount that is really a price hike for everyone in disguise."

I got an electric toothbrush from my dental insurance provider that has WiFi to transmit data on my brushing habits back to them. I can guarantee this thing will never have network access.