The point of devops is not to take jobs away from developers. The point of devops is to provide an interface between system administration and development. Development and system administration have always been at odds with each other - system administrators not really understanding or caring how the application works, and developers treating the systems as an infinite resource pool with no real rules or resources past "does my code run?"
We used to have a more DevOps approach when we were a startup (1999-2005ish?). After a while as our contracts got bigger and our client projects got more visibility, they wanted to move into a more change-request-managed style of development (this is despite the fact that we'd never (in my recollection) had any incidents as a result of our management process).
We created a strict separation of roles between Dev and Ops. Devs just wrote code, Ops pushed code to servers.
To this day, many years later, our Dev team still has poor visibility into our operational environment. Getting easy access to log files, looking at temporary files - really /basic/ operational stuff that Devs had done for years was denied to them and a "process" built around getting that stuff from Ops.
This process is slow and awkward. Arguably we could have done it better using tools but we'd bought into the process too much, it existed, so why bother changing it?
Similarly, from an Operations side, their workflow suffered because the devs would be off in a silo, then one day someone would pop up and say "OK I need a full staging and production environment for this project by tomorrow".
Again, not great project management on our part, but what was originally a natural flow of information between two teams who a) historically worked very closely and b) NEED to work very closely slowed to a trickle as the "DevOps" interface was basically shut down.
I have been pushing for a DevOps role for a few years, without success. For me DevOps is about lightening the burden of Dev and Ops teams by increasing the ability for information to flow between them quickly and easily.