JCviggen,
I agree the pitots froze, and that whilst the newer ones recommended in the 2007 Bulletin should have been better, there is no guarantee they would not have iced up too.
For me the questions are
"In the light of the catalogue of previous unreliable airspeed occurrences, should Airbus/the regulator have mandated the upgrade, rather than as an advisory", and
"Should Air France have implemented the upgrade, on at least one pitot per aircraft, more swiftly?"