Originally Posted by
Dee Vee 
I'm pretty sure there was no emergency, Just Qantas deciding to divert there due to bad weather and no planning on their part.
this is the crux of the matter.
Qantas pilots hold Canberra as a weather alternate regularly when the weather in Melbourne or Sydney is forecast to be a bit iffy. I imagine Jetstar and Virgin pilots do as well? This appears to be nothing more than two ‘ executive leadership teams’ ��having a barny.