"Safeties" have been around as long as I can remember. I realize there are holes in that process what with leaving due diligence to the motorist over long term ownership. Still cars have gotten better over the years due to foreign competition. Probably foreign countries were ahead in safety standards and that carried over to cars sold here. So I'm not sure how much mechanical fails contributed to road carnage here.
Emissions were continually being cleaned up before the Ontario Drive Clean ever came into effect. There was public outcry, accusations hurled, and sure enough look at all the grief Drive Clean generated.
But here's the biggy: scope creep, annual safeties and what ever else they can think of. I know I'm just ranting now but there is a pattern, we should all see it. As pointed out earlier, always need to add more rules. Stagnation is regression. Politicos need to justify their existence. Even if I agreed with every new regulation I would argue it's implementation purely on principle. We're going to hell in a very safe and clean hand cart, we are.