That's a lot of hypotheticals.
What I'm trying to say is that this is unrelated to regular folks' cars. For this you need to manually authorize access to your car, and then they can do things like unlock the doors[1]. It's meant for rental agencies and such. Not to scrap data of any Tesla owner (like Twitter Firehose)
[1] https://developer.tesla.com/docs/fleet-api#door_unlock