Where is your management? If your manager isn't willing to back you up on "My team needs to deliver X and that's my employee's job, if you want Y, we can try t

Where is your management? If your manager isn't willing to back you up on "My team needs to deliver X and that's my employee's job, if you want Y, we can try to schedule that in," find a job with a better manager. And if your manager says your job is answering questions about Y and not writing code for X, then, well, that is your job.