Be careful of designing by committee. This is one of those tips that is not only IT related but is evident in many ways systems and services are constructed and then provided.
While it is important to solicit opinion and views from many different sources it is also true that you must keep focused on the goal of delivering improvements and cost reductions. To achieve this you need to make someone responsible for the project that will take the idea from conception to operations.
Making someone accountable and responsible for the technical ownership of a project brings with it many benefits such as clarity of thought and commitment that are otherwise lacking if started without this authority. Failures in understanding the idea, gathering the correct requirements to make an accurate scope and subsequent or delivery will result in it not completed as an operating entity as it should be used post implementation.
The next time you are looking to reduce costs or improve service; ask how they intend to ensure it delivers when in use year after year ensuring that they accept this responsibility.