Regarding Interviews and security of position.. Any move to a new company is a step away from security to some degree.
Way up the pro's and con's and be happy with your decision - there is nothing to be gained ( Crazy 88 ) by shooting down a potential employer !!.. unless your Agenda is to shaft some expat interviewing that is....
The only downside to returning to Oz I see is the possibility of working with small minded pilots displaying attitudes like this - & those who think the world owes them something.
Factual -informative / constructive and Agenda Free post's would be nice, but that is seldom the case and why many/I seldom visit Prune these days..