Law produces death. In unbelievers and believers alike, the rule of Law breeds failure. And we have been. Now, Paul says, we serve in an entirely new way, the way of the Spirit. Let me summarize.
Sin brings forth death.
Law brings forth sin. This is exactly what has happened to us in Christ. The problem lies in not understanding its purpose or role. And this is exactly what happens to so many Christians. These, and a dozen other misuses, lead to death and frustration.