One day used cars with the least amount of tech are going to be worth a lot of money in secondary markets. Especially because of the recent move to subscription based feature options some auto makers are trying out.
To whom exactly? A handful of people wearing tin-foil hats? The rest of the world is going to be happy they can pay $9.99 a month to be able to remotely turn on the AC in their car.
Sure people will people for convenience and automakers will charge a subscription for providing that remote connectivity. But that wasn't the point in context of this article - the specific exploit detailed in the article can be applied to almost any non-connected vehicle in the last decade.