agreed. focus on what should be done to prevent this in
future.
of course, due to my field of study, I have a certain interest on
trying to analysis what might have, and possibly happened, and to
investigate, from a theoratical point of view supported by pratical
experience, if the various proposed theories could be true, and
what percentage liklines they would have. And finding out what
might have happened and the alternative reasons would all
contribute to preventive measures in future.