My take is that it could be the excessive vibrations and shocks inside the Dragon ship. Iirc, some Dragon passengers already "semi-complained" about that in th

My take is that it could be the excessive vibrations and shocks inside the Dragon ship. Iirc, some Dragon passengers already "semi-complained" about that in the past. Now the NASA probably has agreements with SpaceX discouraging them to speak about that kind of problems.