Hey, there's no reason to be aggressive like that! You don't know any of that for a fact.
When someone goes missing, it isn't really anything any of us can help or control, is it? Unless you think it is, then I would be willing to help. But I don't think you're going to get anyone to agree to help by telling everyone off.
[And he did keep meaning to join the Defense Force, it was just.. awfully awkward right now]