I have seen junior developers do far worse things and consider it their job. It's easy to think that you were (in a sense) hired to type out that code over and

I have seen junior developers do far worse things and consider it their job. It's easy to think that you were (in a sense) hired to type out that code over and over to realise the vision of the designer. If nobody tells you otherwise, you'll be more and more convinced of it for every time you type the code out.