SLFandProud...
...is perfectly correct in everything he says.
It is, frankly, chilling to see the number of responses from those claiming to be aviation professionals who consider that the appropriate response to a system that is clearly failing on human factors grounds is to call the people involved "cretins," "morons," "drunks" and other offensive (and outrageous) appellations.
Such "professionals" -- and the profoundly unprofessional attitude they represent -- are a greater menace to aviation safety than an entire aircraft-load of Mrs Walkers could ever be.