Firearms aren’t inherently dangerous. They are, after all, simply a mechanical device that requires a specific series of manipulations to fire. Treating every firearm as loaded becomes the first principle that the follows rules build upon.
It’s simple. You pick up a lever action and you feel like a cowboy. A revolution when it happened. The lever action rifle is now so intertwined with the lore of the cowboy. You can’t help but want to start swaggering the moment you pick one up.