She knew the risks and still took them. But this wasn’t a victim-less deal. If anything, she had a casual disregard for her family. In that part of the world, it’s not a matter of “if something will happen” but “when”.
It may be a noble thing to go to North Korea to push for reforms but it won’t go well for you.
Sorry, but you can make the argument that anyone who signs up to join the Marines or the Army has a “casual disregard” for their family also. And plenty of people have gone to that part of the world and returned safely.
Part of having children is accepting that at some point they become adults who are responsible for their own decisions.