It is interesting that both you (magfrump) and I seem to both be committing Typical Mind fallacies

This is kind of the point of the whole thread :P

And while I, personally, am annoyed by lack of closure, there have been numerous practical reasons not to explain oneself which are both understandable to me and quite rational. Though if you know the person will take your response in good faith, I would (acausally via symmetry with similar agents) appreciate that.