Understand that any aircraft is designed for loads that are significantly higher than typical flight conditions. A B-747 can experience turbulence that is so violent that the wingtips will stand straight up to 90 degrees and the wing will not fail. This is a very well designed and durable airplane.

If the Airbus suffers from deterioration of the carbon fiber over time, the typical flight with average flight loading will not present any issues. However, in a situation of significant turbulence, or when the flight controls are moved to the maximum deflected positions, the airframe is now tested in a situation that is much closer to its design limitations. If the carbon fiber is not up the the task, the component fails.

961 does concern me in this regard.