If you are writing code as if you are a prompt yourself: specs in, code out. Then yes, I would get worried. But most developers do and know much more than that

If you are writing code as if you are a prompt yourself: specs in, code out. Then yes, I would get worried. But most developers do and know much more than that. They have domain knowledge, understand the relation between different systems and understand the codebase as a whole, not just a specific file or function that does one specific thing. Don't give up. Try to use this new tool to improve your knowledge and use it to you advantage.