[jhoelzel]

or some operators are wrongly named =)

In essence, a controller is like a general-purpose manager for built-in K8s resources, while an operator is a specialized manager tailored for specific applications and tasks. Operators are built on top of the controller pattern, so you can think of them as the next level up in the K8s automation!

but i will agree on that i have seen people develop controllers with the operator sdk where mostly the Kubernetes client libraries would have been more than enough.