The alternative of having your kids shot is incredibly rare. If you wanted to complain about danger for your kids in the US, I would critique the crazy danger of cars and driving here rather than these absolutely rare school shootings
And pray tell, what would so called gun control do besides strength the oppressor cops? The people would lose any power they have if the corrupt cops were the only ones with weapons.
The second amendment isn’t what is causing mass shootings. Mass shootings are a recent and regional phenomenon that haven’t existed (or been incredibly rare) in many instances with just as many guns
Generally anarchism does reject the idea of authority wholesale whilst also having no historical basis for it. Those societies were clearly in a very different place. I suggest you look into dialects as they will provide comprehensive explanations as to authority and its foundations (and why there are different conditions then than now) especially seeing as they fully had “coercive” authority. Now as to what non-coercive authority is, I don’t think even the anarchists have cracked that one