I have two small kids and I have found that teaching them and exposing them to firearms has been greatly beneficial. For one it takes away their natural curiosity about them, and two, kids(people really) want what they can't have... If you give it to them or don't make it taboo then it becomes almost mundane and boring. I have instilled respect of firearms into my kids from day one, maybe a little too hard, but they know daddy is always carrying one, and they know if they ever find one, to not touch it and immediately notify a adult. I leave my pistols laying around the house (unloaded -no magazine in or around them) mainly to test them and see if they will come tell mom or dad, or see if they will touch it and look at it. S0 far they have never touched it(probably because I have scared the living piss out of them telling them what I'd do if I ever caught them touching one without mom or dad saying its OK).
We take them shooting regularly, and have a 10-22 that I let them shoot, with help a guidance from me or mom. But then it comes to the truck and where my spare pistol is, I tend to not let them know about that one, they can't see it, and don't need to know its there, but I feel confident that if they did ever find it in there for what ever reason they would leave it alone.
Personally I believe safety's get people killed A; too many people just assume or believe it's on "safe" and don't practice good safety when handling one and end up shooting themselves or someone else, or you need to use it and that extra moment when you have to remove the safety is when you are killed. If your gun goes into your hands IMO its ready to rock n roll otherwise it should be holstered or put away. I also have this same line of thought for locks(cable, trigger ect) idea, it gives people a false sense of security. Why lock it? Because you don't want someone else using it/taking it? Well thieves will still take a "locked" firearm. You lock it because you feel its safer, unload it and keep the ammo away from it, in a box on a different shelf... But a lock on a firearm is just like a lock on anything else it just keeps honest people honest, and slows you down.
I'm not dogging on anyone here who has a lock on their gun, I'm just simply freely giving my insight to what I have witnesded and experienced from the military to LE to civilian life... Education and training/familiarization are the best tools, and can never be substituted.
Sent from my XT1585