Great team leaders see a vision through to the end. Ordinary leaders get bored with a vision during the long stretch in the middle of the implementation. This can create an environment of uncertainty that makes any direction “tentative” based on the fickle buy in of an impatient leader. Tentative is never as productive and secure. As much as people want to buy into a vision, they learn over time whether a leader will allow anything long term to come to fruition. Why waste a full effort on something that will be put on the shelf when the shiny new wears off?