For decades, armies of network engineers have been mired in one-off, brute-force approaches to maintaining the network (the very core of their digital businesses), anchored by each individual engineer’s personal knowledge and experience. 
And that personal expertise has become a badge of honor worn by many of those tenured engineers, becoming a bit of folklore along the way, essentially an ‘art’ rather than science…. So how do we get back to running NetOps as a forward-looking and scalable science?”
Want the whole story?
See: https://onug.net/blog/its-time-for-no-code-network-automation/