The other 9 flights that traversed that exact region (all with the same WX reports) within 4 hours all went thru without difficulty.
Somehow these facts keep escaping from collective consciousness every 10 pages or so.
But isn't that what often creates an accident - the unexpected co-incidence of several contributory factors - or a sequence of (likely or expected) events occuring in an unexpected or rare order.
Are we really 'forgetting' the fact that an accident is an unexpected occurrence ?