You're gonna struggle to find guys to fix the planes.
Yes, but you are only thinking as a local, that knows the situation.
I think you will find it is the airlines that have forced (I mean persuaded
) CASA to relax these regulations.
They will use them to import foreign LAMEs to fill their needs, and will have them contracted to stay with said airline for say 2 or 3 years at least in return for sponsoring them to live in Australia.