Just because something works doesn’t mean it’s optimal. If you can get the same output with a cheaper or faster process, there’s a clear business justification.

Just because something works doesn’t mean it’s optimal. If you can get the same output with a cheaper or faster process, there’s a clear business justification. However, you are right that engineer salaries have to be factored in. If expensive engineers are unfamiliar with an old process, it will take them a lot longer and the break even point will be pushed out farther.