Greetings,
May the Crew and Passengers of this Flight Rest In Peace.
Why must we assume that it was ice that did provoque an unreliable Airpseed situation.
pitots and sensors are just calibrated tubes or holes, transmitting to the computors whatever is going through.
I think we could focus on the "whatever is going through"
If the recommandation to change the pitot tube had a sense of urgency, it would have been done OVERNIGHT
Very often the Radar attracts Lightning, and is not the first time nor the last that the Radom will simply be blown away leaving a flat surface, which highly distrubs the Airflow to the pitots and probes, along with a big drag increase.
Severe turbulence CAN trigger flight controls to revert to DIRECT LAW (shake the controls in the simulator, and watch it happen) and all this happening in a giant storm.
It is easier to blame the technology and probably send the lawyers to try to get some juicy compensations
, rather than looking at the reality and blame a Giant Thunderstorm.
