I've come to realize that laws aren't generally about fairness. They're about whole-systems thinking. Lots of rules seem unfair if you're an individual in a system.
The popcorn kernel that doesn't pop may feel slighted, but that doesn't mean my popper is broken, or the kernel is.
Allowing car companies to make new cars which are less safe would cause more injuries and deaths. We allow older cars and motorcycles for political and economic reasons. Banning them would be even worse.
Here's a political and economic reason: modern cars, new and used, are painfully expensive for large portions of our society. Most of these price increases come from modern requirements for impact protection and other safety provisions. Allowing companies to pump out <$10k econoboxes would be a boon to low-income individuals.
The popcorn kernel that doesn't pop may feel slighted, but that doesn't mean my popper is broken, or the kernel is.
Allowing car companies to make new cars which are less safe would cause more injuries and deaths. We allow older cars and motorcycles for political and economic reasons. Banning them would be even worse.