I'm not a car guy, but I do know that people get really passionate about them, join local clubs and make new friends through their shared love of some particular old vehicle.
They also put huge amounts of effort into maintaining them, learn new skills and keep themselves busy.
So while vintage cars and the culture around them do obviously cause deaths due to accidents, I'd suspect they also perform a huge amount of social good in terms of reducing social isolation, depression/despair, Alzheimer's and a whole lot of other subtle things I didn't even consider.
They also put huge amounts of effort into maintaining them, learn new skills and keep themselves busy.
So while vintage cars and the culture around them do obviously cause deaths due to accidents, I'd suspect they also perform a huge amount of social good in terms of reducing social isolation, depression/despair, Alzheimer's and a whole lot of other subtle things I didn't even consider.