Only ever heard one QF skipper use 'boys and girls'.
Detest, detest, detest, 'settle back, relax, and enjoy the flight'.
Do promise to update ETA and actual weather they will find 'if leaving the terminal' on descent.
Believe it or not, customer feedback indicates that they do want to know ETA, weather, and any points of interest on final. It is pretty rare when I'm travelling that every person with a window seat doesn't have their nose against the window havinga look outside so why not telling them what they will be looking at.
Also, international and domestic flights need different sorts of PAs due to different clientele. My monday morning SYD-MEL PA is pretty different to my Saturday arvo MEL-OOL!
Sometimes we just can't win though!