If the task of automating something is complex, that might indicate that the process itself is complex. If that's true, then it might be worth automating anyway

If the task of automating something is complex, that might indicate that the process itself is complex. If that's true, then it might be worth automating anyway, because it would eliminate the error-prone parts of the manual process and give you a better end-to-end understanding of all the steps and how it all fits together.