Part of the issue with using the ACI simulator is that it does not save any changes. Rebooting the virtual machine results in a loss of work. A power cut results in a loss of work. Having the bathroom fitter turn off the power upstairs results in a...well, I am sure you get the idea.
Having to recreate everything through the GUI over and over again gets quite frustrating as you can imagine, but here we return to what we spoke about in the first chapter: the move from manual actions to programmability.