No doubt we may learn from the data recorders and the subsequent investigation what happened, if the air accident investigation does its job properly.
But two items from the analysis on PPRuNe are significant, and could be addressed without waiting for the report.
First, have all pilots been properly advised and trained to deal with the inappropriate behavior of the Airbus computers that can lead to upset, mentioned on several threads here...
And secondly, also mentioned by several posters, unserviceable or inoperative cockpit weather radar seems to be tolerated by the industry.