When E2C may help
Consider the requirements, revisions, and follow-up work you still arrange yourself, and when your existing tools may be enough.
Recognize the work you keep repeating
A new source changes an earlier conclusion. A correction solves one problem but affects another requirement. You find yourself arranging the next round of work again. These are reasons to look more closely at E2C; the importance of your industry or the size of your project alone does not make it the right choice.
Keep a method useful as work changes
E2C is intended for methods you need to keep using as sources, conditions, and requirements change. The goal is to carry more of the work of connecting those pieces and managing revisions, so your team can concentrate on professional decisions rather than reconstructing the process each time.
When your existing tools may be enough
For a short task with a clear goal and a result you can readily assess, Codex on its own may be enough. If you are new to these tools, a manageable first task can help you see what they already do well and where you need more help. There is no requirement to complete a particular project before considering E2C.
Judge the contribution in practice
Models and tools will continue to improve. Sources, task organization, and the checks performed also affect results. The useful question is what you still have to arrange yourself and whether E2C actually reduces that burden. Its value needs to be demonstrated in the work, rather than assumed from limitations in other tools.