Sweden makes it mandatory for all high school level youth to attend firearms education courses. Later on, they are required to spend 2 years in some kind of military service.
Swedens' murder rates are some of the lowest in the world, as well as shooting accidents such as this.
The answer lies in the reacord as well as the statistics.
I took gun safety classes at 12 or 13 I think, I grew up around rifles, shotguns mostly. couldn't hit a damn thing if I tried... but I scared a lot of game.