Many of you have shared the experience of working hard and long on a proposal, having it accepted and then seeing the vision fall apart as the implementation reveals unexpected problems, resistance to change and downright hostility. Because you probably had spent considerable time gathering user requirements and considering all the options, you take the rejection personally. Another example is when you are part of a large team dealing with a complex problem and go off site to work it through. When the solutions come back together, the pressure is on you to accept the work of another team, even if you have expertise in the area and disagree with their conclusions."
Via F. Thunus