Maybe even ask industry. Other people already know how to gather such information. Let people tell us if renewal is an issue in their life. Open up the box. Get information from employees.
People have far greater capacity to renew than they are often given credit for.
Maybe folks can self organize and be driven by their own motivations, rather than be externally imposed. Adult stages of change. Sometimes renewal is just an enhanced vision of self. The best approach would be if people could self-motivate. The general culture wants things speeded up.