Why are you assuming that a kid has access to a firearm if it’s locked behind a door?

I mean I know what you’re going for here, kids find parents gun and shoot someone or shoot themselves. That’s just being a shit parent. Kinda like the kid getting your keys and crashing your car. Or finding the matches and burning down the house. There is a level of personal responsibility that is required to have kids and be an adult. There is also a level of “stupid people are going to do stupid shit” that we must accept for the personal freedom we are granted. Let’s not suggest that we should curtail our freedoms because stupid people exist. We can’t play nanny to everyone.