I believe that IBM i developers can have a meaningful discussion with Java developers about the merits of DevOps. It is the case that we (IBM i devs) have for long implemented many of the "new" concepts like isolated development environments, automatic deployments, and isolated and protected production environments. When using a DevOps tool like TD/OMS, the concepts of task-based development, automated builds and deployments are also well established.
However, there are some new ideas that seem wild west at first but are amazingly effective when implemented. Let's go over some of these DevOps ideas and see how we measure up on the IBM i.