So can not adapting in changing times. Ask the dinosaurs.Because like most complex engineering projects we know it's not perfect but we know every idiosyncratic function and any revision will still have idiosyncratic functions but they will be unknown with no countermeasures in the beginning.
We don't upgrade hardware or software company wide just because there are are new enhancements or 'bug fixes' because we know the nature of the universe is Chaos not Order and small changes can have a 'butterfly effect' that's unpredictable.
