Well with ±400 million guns circulating nationwide, and one in three people are gun owners, consider how many of them would use them in defense of the current government now. There's a reason behind allowing 2A to go unchecked, when in the time it was written, it made sense. Now it's a civilian army that, while keeping the population divided, a not insubstantial percentage will blindly defend any unjust actions this government decides to perpetrate.