There has been, at least in the US and to a lesser degree in Europe, a significant number of airline pilots collapsing, some dying of heart attacks, while in flight. One recent case is described below. So far, co-pilots have been able to save the day, and no major accidents have occurred, but this does create the reality of a plane getting out of control and crashing into a major city. The loss of life would be substantial. The media is quiet about the possible causes of this, something which did not occur before the Covid vax rollout, and we know that pilots were required to the fully vaxxed. Flying could become dangerous in the future, maybe even now.
https://farm.substack.com/p/why-air-travel-will-become-dangerous