Cars that dont kill their drivers are more likely to have repeat customers; i.e. other factors besides legislation will force car manufacterers to shift their designs back to this approach. My 2024 CRV has exactly what you describe.
100% rational and 100% informed consumers do not exist. There's both information asymmetry between manufacturers and consumers. I'm sure there's man fatal accidents that can be traced back to faulty components and improper design that gets covered up by manufacturers. The Volkswagen emissions scandal was just easily measurable.
Everyone likes it that way. Consumers are attracted to features, gimmicks and marketing because that's what works for marketing and sells. No one wants to buy a "900% less accidents than others" car. But everyone wants a bluetooth and wifi enabled car with seat subscriptions. Besides, what's a rational consumer gotta do? They gotta get up at 06:30 and make breakfast for little Timmy and take him to daycare. They need a new car by the end of the month so they better choose between big touch screen or little touch screen with a control knob.
If I can't get a dumb TV, I just don't buy a dumb TV or watch any TV at all. But you can't not travel by car.
furthermore there does not seem to be any great brand loyalty in the market
https://cardealermagazine.co.uk/automotive-consumers-more-di...
maybe because of being afraid of dying but probably not, but given how often people buy new cars (not that often) and the lack of loyalty, I think it would not make any sense from a business perspective to give a damn if the customers die (disregarding moral perspective which I'm sure is a primary concern for automotive manufacturers)
That's not the same statistic though: If the only car in the world was manufactured 20 years ago and had 4 owners, then the average ownership-duration would be 5 years, a much smaller number.
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Survey says [0] people tend to cycle vehicles in 8 years.
[0] https://www.thezebra.com/resources/driving/average-length-of...
https://www.nasdaq.com/articles/heres-how-often-americans-re...
which implies less than 5 years for 2/3s of Americans, although not sure what the average is.
I seem to remember reading somewhere that most people will own 10 cars in their lifetime but querying How many cars does the average person own in their lifetime gives me 8.
Assuming car buying age is from 18 to 72, that gives 54 years of car buying, and 8 gives us 6.75 years per car if the average owns 8 cars. 5.4 years if the average owns 10 cars.
I have a libertarian streak when it comes to drugs, porn/prostitution, free speech, patent law, etc. but in this case I’m perfectly fine with governments “getting involved” to ensure that I can shop for a vehicle without becoming a random sample in a statistical study of car safety. Especially if a possible outcome is my preventable death.