It's the same as many other things in software - if all you care about is writing software, then yes, you are not a good developer. You need to have an apprecia

It's the same as many other things in software - if all you care about is writing software, then yes, you are not a good developer. You need to have an appreciation for the environment it runs in, interfaces between you and other teams, the key business requirements, the constraints it's under, etc. etc.