I have been a flight test and rocket test engineer. Checklists were life, especially in the rocket world. The fantastic thing about checklists is that they both keep you accountable and free your mental resources so that when something happens that one of your checklists don't cover, you know you've at least tried all the sane/expected things. I personally found that backstop freeing and allowed me to use my creativi…
It took three generations of flight training for checklists to become an essential part of aviation. Note that a flight-training generation is less than a human reproductive generation; it's the time from first lesson taken to first lesson taught (plus some). It had to wait for the older instructors to retire. We are still in transition, in medicine. Many physicians have not yet cottoned to hand-washing, yet.
What?!? How many generations has it been since Louis Pasteur?