It's an open secret that there are problems with the service in J/C on this aircraft. Removing a crew member would just cause more problems.
Many of these problems would simply disappear if those working on the aircraft had more in the way of experience. Both life and airline.
Those responsible for the ideological decision making at QF's cabin crew department will [hopefully] be in for some surprises this week.
For the sake of the airline they really do need to go........