I think OPs point applies to organizational management as much as programming:
> if a solution exists today, and it has yet to be replaced, it's at least possible that it's over all the best solution, and the reason you're not seeing that is because of a lack of understanding.
> if a solution exists today, and it has yet to be replaced, it's at least possible that it's over all the best solution, and the reason you're not seeing that is because of a lack of understanding.