The fundamental problem with purchasing protection from the boogeyman is that it’s impossible to assess the quality of your purchase: If the boogeyman doesn’t attack, it appears your protection succeeded. If he does, it appears you needed to purchase even more. And that, dear readers, is why the military cannot be controlled by civilians or anyone else, for that matter. In the most basic sense, people without guns cannot control people with them; everything else is merely a self-deception.
Take, for example, the recent covid crisis. Imagine you are a time traveler and you have replaced Donald Trump as president, so you have the benefit of knowing everything that has happened in the last few years. Could you do anything differently? Would you? That is, imagine your military advisors tell

Imagine a hypothetical libertarian paradise (“Paradise”) that seeks only to live in peace and harmony with the rest of the world. Unfortunately, the rest of the world is not as pacifistic as Paradise; indeed, it has at least a few bad guys, countries controlled by people willing to use violence to get what they want. Worse yet, our Paradise is the only country with sufficient military might to resist the world’s bad guys effectively.