" She would be better off being herself but she's probably lost that now. "
I see the real Julia in question time - not a good look on most occasions - very aggressive and patronizing which most likely comes via the Union mentoring along the career path.
I would suggest to anyone that a stint at selling something is a worthwhile life experience. Used cars and carpet come to mind, and I personally did a short stint selling scientific instruments about 30 years ago - a life experience, especially when you are trying to sell something to people that don't need because they still have last years model.