The current trend of events will not be reversed unless training and fleet management do an exercise of introspection and recognise the toxic fear culture and deep organisational issues that contributed to it.
It is appalling that no "leader" took managerial responsibility of 521 by doing the right thing: leaving their job to a more capable individual. And it is particularly worrying how their blindness only lets them take action to continue on the wrong path.
Main problem is that they don't even know or want to recognise there is a problem.
More beatings it is.