Take a look at this quote from A List Apart:
I am a human brake pad.
Each one of us brings an area of specialization to our projects, and it is our responsibility to exhibit that expertise. If you don’t know anything that no one else on your team knows, then it’s probably time to walk away. But if you do, it is your duty to assert that capability and share your knowledge for the betterment of the final product.
Mahatma Gandhi said, “A ‘no’ uttered from deepest conviction is better and greater than a ‘yes’ merely uttered to please, or what is worse, to avoid trouble.” As people who create stuff with the hope that other people will use it, it is outright cowardly for us to protect ourselves before defending the needs of our users.
This is just a terrific article. It should be required reading for all of us who provide technology or IT services. Stick with it all the way to the end; the writer gives some great tips about the “positive” no, drawn from the book “The Power of a Positive No“.