Ryan, the previous announcement re QF grounding 2 B763's and 4 B743's was a statement for the digestion of the media and the public to promote doom and gloom in the midst of a very public dispute between QF management and the ALAEA. These retirements of aircraft had always been planned so the net effect on mainline is zilch.
Dixon is renowned for sprouting the end of civilisation just to achieve his industrial agendas.