The lessons for Court administrators? If you are going to bring contempt charges against a journalist and their publisher then you must conduct a proper investigation of the circumstances of publication, in particular who published what, when and on whose authority. While it is unstated in Chief Justice Grant's reasons for judgment—for fairly obvious reasons—the real problems in this case lie with the conduct of the Registrar's case and the apparent lack of any investigation sufficiently thorough enough to gather evidence to meet the standard of proof required by the Court.
"There should be no further publication of photographs of the defendant showing her in handcuffs or being placed in the back of a paddy wagon. There should be no suggestions that the defendant is the centrepiece of a web of deception or anything like that. There should be no reference to other suggestions of a scandalous kind and in particular as to the defendant’s relationship with the former Police Commissioner, ministers or former ministers of the Crown or their staffers." Acting Justice Dean Mildren, The Queen v Kamitsis  NTSC 48.
As Rothwell notes, the good tax-payers of the Australian south-east fork out around $4 billion a year to keep the NT running. Divide that number by the 220,000 people in the NT and the figure is around $18,000 per head. "Thanks and it is your shout!!"