Indeed Crab but I was trying to be more metaphorical than literal.
If you've ever had the pleasure of seeing some of the unexpected failings of aircraft operated in modern day Africa then perhaps that would put it into better context.
It isn't up to any of us to decide when it is or isn't appropriate to deviate from the flight manual or standard ops, as none of us are metallurgists, and few are engineers. Can't we all agree that sticking to the same script is a good idea for longevity?