>>20>>19 It may take thirty seconds to open a safe, but maybe another five to load the weapon, not including the time it took you to recognize the threat and run to the safe. All the while the threat may be already next to you with a loaded weapon to your chest. Milliseconds count in situations like that, I used to competitively target shoot, even the speed of my pistol added on to the clock. And let me tell you, target shooting and combat shooting, are two very different species. During combat shooting, the average un-conditioned person will miss about 30-60% of their shots and take 20-45% longer to hit their target.
When you have a loaded weapon in your house and you have a child, you ingrain into their head to never touch a weapon unless given permission and when you do, always unload the weapon first. And if that's impossible for the child, then always carry a weapon on you and hide other weapons.