I understand that. You didn't answer the important point, which is that you can't be sure that what you have works if you don't encode the process. And encoding the processes isn't really software engineering; abstractions for business rules management have existed for decades and can be reused in this context.
You're YOLOing it, and okay that may be fine but may also be a colossal mistake, especially if you remove or never had a human in the loop.
If there is a human in the loop, TFA does say that agents can be the solution. In fact that's pretty much the conclusion that the author makes.
By saying "you should just use agents", anyone who has read the article will assume that you're talking about the case where there's no human in the loop.
You're YOLOing it, and okay that may be fine but may also be a colossal mistake, especially if you remove or never had a human in the loop.