SBT, well said.
Overconfidence in part; elsewhere a disturbingly low understanding of the factors involved in safety and certification, encouraging bias and opportunity for poor judgement, both at the sharp end and blunt end of operations.
Some evidence of an “I know better” syndrome, almost to the point of reversion to the pre CRM, ‘P1’ only days.
Safety culture, national culture, professional culture?
Similar problems in a related subject, here:-
Winter Operations, Friction Measurements and Conditions for Friction Predictions - Executive Summary