Because if Tesla is legitimately able to use the force of law to prevent me from using the car in a a way I see fit, Tesla owns the car not me, and they have no

Because if Tesla is legitimately able to use the force of law to prevent me from using the car in a a way I see fit, Tesla owns the car not me, and they have not sold me a car, they have sold me a perpetual license. (Which your linked article makes clear.)