To set a dynamic, progress is more important than result
In life, there are two strategies: seeking results - first and foremost - or checking progress. The first might work if you have the best recruits and the ability to replace them whenever you want, the second works every single time, with all the teams and especially when it comes to creating a dynamic.
The emotional aspect matters as much as the rational one
If a nice rational explanation was key to convincing anyone, getting people on board would be the easiest thing to do. In fact, there is a whole emotional part that comes into play.