[JeremyNT]

Because mutable persistence in Kubernetes can be super annoying to manage and people might grasp for whatever lifeline they can find.

If you have a managed object store or even relational database outside of k8s, the thought of storing arbitrary data in secrets probably doesn't come to mind. But if your enterprise spools up a cluster and tells you to use nfs PVCs with no other storage solution, suddenly you might start getting creative.