If you were convinced by Airbus that the aircraft could not be stalled and you had no experience with the symptoms of stall in the A330, just maybe it wouldn't occur to you that you were stalled. The conflicting cues...
etc etc
10 to 23 degrees nose-up attitude at levels above 300 is no, or is a conflicting, clue??
pitch+power=performance (i think its lesson 2 or 3 in basic flight training!)