Knowing and not telling is being implicit!
Everyone is so astonished with the revelations re Rathjen! Equally, the Berejiklian/Maguire saga another example. There are loads of skeletons everywhere, in sport, in business, in families … and 99% of the time, someone, if not lots of people know; and do nothing! Then there is the game blame, the fault, the guilt, the distasteful…