The email you posted specifically says if you have PLEX Pass users can stream for free.

They already had one of those.

In an August 2022 email, one detective noted: “In some vehicles, again [it] depends on manufacturer, the vehicle is still doing this despite the lack of an active subscription, and just sending the data back to the mother ship. This could be due to collecting user data for what the manufacturer sells it for, to providing this data to try to sell you on renewing your [subscription] package that lapsed.”

So it doesn’t matter if you’ve subscribed, they’re surveilling you.