More generally what is not being done is a thoroughgoing investigation and change in training and checking standards to ensure that all pilots worldwide are good enough to handle the problems that can and do occur.
What is not being done is recognizing that the mere fact you’d like to hire another 1000 qualified people does not mean you can create another 1000 qualified people for low cost in a hurry. The industry cannot expand faster than skilled experienced people can be developed from scratch.
What is not being done is recognizing the hazards inherent in highly computerized highly complex systems and reprogramming all airplanes to deal better with defective sensor inputs and false warnings. Much of certification thinking is still based on 20 independent devices that are first integrated between the pilots’ ears. When instead a computer is pre-integrating them and presenting the outcome to the pilots, that brings up a whole new sort of GIGO error that is not, IMO, being addressed as thoroughly as it ought.
By “day of reckoning” I mean that the uncontrolled growth in the airline industry, and especially in the third world, has already resulted in a severe dilution of the skill levels of many / most crews. Which will continue to lead to brittle failures where otherwise manageable aircraft malfunctions proceed to pilot-looses-control-and-all-aboard-die accidents. Continuing to blame the manufacturers for each failure to build a pilot-proof airplane is going the wrong way. While pilot-proof airplanes may well be in our future, the current state of the art cannot build them.
Boeing totally screwed up the MCAS by making 2 dumb interrelated decisions that were never considered together by the relevant experts at Boeing or at FAA. But what killed those 300+ people was crappy piloting and poor systems engineering in general, not MCAS in specific. That’s just the place the accident occurred, not the why. Think surface cause versus deep cause.
After a slow / confused start, this thread from this summer covers some good ground and has relevant comments from both @Richard_Pearse & me. It bears reading if you’re curious along these lines.