Paris Flyer
You have answered your own question. The reason why QF spent all that money on Training and Accommodation is because they wanted to prevent a disturbances in case of a strike. It had nothing to do with a QF getting value for money it was about protecting the business (managements point of view by the way not mine).
Should you be excited by the fact you now have to go through the interview process again and be selected by the same team of people and review panel from Qantas that thought you were suitable as a strike breaker? I think not, I would be insulted!!
Furthermore if and when you are employed by MAM as a casual flight attendant contracted back to Qantas through this labour hire company I wouldnt be telling anyone you were trained as a "strike breaker" as in the eyes of Qantas cabin crew a strike breaker is a strike breaker no matter what division you are in.