Or one could do both. Reduce access to killing tools and reasons to kill.
Akrenion
Nobody argued that there are no other factors like social pressure. Obviously it is a problem when about half of the suicides involve a gun. Building hurdles and adding effort is needed to prevent deaths.
Most of these do not account for socioeconomic status of the test subjects or people willfully ignore them for a better narrative in derivative articles. They therefore boil down to: "people who can afford nice things live longer" Which would not be a great headline.
Most cars can be cracked with a simple receiver. A little bit of trust is needed for the convenience of society. Breaking that trust usually makes things worse for everyone.
Games have specs on steam. We could easily get a performance percentage for gamers with less than optimal setups without blasting their systems. I personally have a good one yet may struggle during forced windows updates or when my ssd is getting heavy loads from my other apps. That would not be caught by such ratings.
The flip side to that is great though. Imagine a few houses per street supplying batteries for more draining activities in a connected neighborhood.