This is an excellent example of why the nanny-state rules are the problem.
Cars rusted in the north due to the salt used on the highways in the winter. If you lived in such a place, you could pay extra and add some rust-proofing to your car. If you don't live in a such a place, you can skip it and save money.
Then, the gummint steps in with the most terrifying words in the english language: "I'm from the government and I'm here to help you!"
Now, we all pay for rust-proofing to make the sheet metal last for 10+ years, when all the electrical systems are designed to last for about 4 years.
The same goes for a lot of the government-mandated "features" that all car have, and YOU pay for. Why do I need child safety seat anchors in my car if I don't have a child? A glow-in-the-dark trunk exit handle? Mandatory remote tire pressure sensing systems?
True. Also, why do we need those seat-belts and airbags and all that stuff that prevents cars from rolling over? Sheesh, what a waste of money? And what about safety glass in windscreesn? Who needs that? Why not use normal glass that shards? And why not bring back fins on cars? /sarc