People are more inclined to implement ideas they helped develop than ideas developed for them. The reasons are simple and straightforward. The drive for Identity, knowing and being valued for who I am, is an important force in the western world. (Some cultures are driven more by group identity.) We like to see the our identity played out concretely, by way of what we produce and our affect on the world around us. Ipso facto – when leading culture change get the people’s fingerprints on the clay that molds the change.