Isn't Perth the base with no fatigue? (Submit ASR-Fs and we will close the base). I'm keen to get out of HKG, but not to Perth. I would also want to look very carefully at what the COS says.
LSL is not a cost problem. It is a manning level problem. I suspect the company is about to fix their crew shortage and CC training ban issues. Outsource training and checking, move A330s to Turkish Dragon.