I dont see it automating anything except the most common web api boilerplate code. You know the code you learn in yt tutorials and boot camps. Definately OOP will be the first and it will be just as terrible as modern OOP because it will stick to best practices it copies from the internet and github. But then again the modern web dev is tool stack nightmare so i am not sure.
ChatGPT has been great for DevOps. So much of DevOps is trying to figure the best approach to a solution and ChatGPT has been an amazing partner to bounce ideas off of, or to get recommendations.