ASA, CASA & the ATSB are right. Nothing to see here. It's
Safe - because we
say it is safe. Nevermind the fact we've closed off several hundred thousand cubic miles of airspace because we're chronically short of ATCO's, but if you have TCAS and a PPR number, you're good to go, self-separating in the Flight Levels at closing speeds of 1,000knots with hundreds of paying passengers behind you.
Yep, nowt to see 'ere. Moving on.
Todays airspace closures: