It's a double edged sword, greenacord02. Many of our consumer nanny items are byproducts of a couple of things, mainly people who shouldn't be doing what they're doing. The sneaker ..err..athletic shoe market is a perfect example. I had two basic versions over my entire joint pounding career. Make that 4 versions over various brands. High or low. Canvas or leather. They worked fine.
Now move a mass of people who should not be pounding their joints ..who probably never pounded their joints scholastically, and now you've got a growth market in powder puff pampering ..with a fashion component.
Now move to chainsaws. Chainsaws were typically limited to who could sensibly use them. Start a market for wood burning stoves ..and smaller chain saws follow. Fingers aren't getting removed by employees, they're getting lost by consumers and their children. The "lawn dart" syndrome of unintended consequences.
Lastly, one would sensibly run statistical analysis on what is injuring and/or killing your population in terms of accidental death/injury and attempt to engineer out the common hazards that allow them to happen. You do it in the work place all the time. The best defense is not to be there. That is, eliminate the cause and insulate the person from the hazard in a manner that can't be trumped "by accident".
I don't know where you're supposed to stop on this quest. I assume that you'll eventually reach some collision like we're going to see in our automobiles. We're spending a whole lot to save fewer and fewer ..and it will eventually be beyond our ability to sustain the costs.