Yeah, but part of that is that national sovereignty is a just-so-happens meme of an idea that sticks around because we all agree that it should and alternative arrangements could be worse.

On the other hand, people dying is a real concept. Their deaths because some people think that other people shouldn't be around and appealing to national sovereignty to enforce that is a leap into the absurd.

At the end of the day, societal institutions exist because we choose by action and by decision to support them. If they aren't supported, the world and the trust network become dramatically reduced in size.