Fact checker, MCIM's door can be closed and his office is glass walled.
Re Sydney on a G, Before people complain about these duties, check very carefully, there are a lot of oneway swaps going on at the moment, the person may have operated on their G on a flight they would have normally commuted up on, letting the inbound crew member stay there. Although to stay in Syd for longer would be a cruel form of punishment that even Cx havnt thought up!