I'll call it oversimplification. It very error-prone and very difficult to automate. Of course, you can always tell your ops engineer to run something like `xar

I'll call it oversimplification. It very error-prone and very difficult to automate. Of course, you can always tell your ops engineer to run something like `xargs -n1 -I{} ssh {} echo ... \| chpasswd < hosts.list` manually, but we are talking about automatisation of routine tasks, not "solving" them by shell scripts.