Because, Bootstrap, Australians seem to take great pleasure in making mountains out of molehills where the Rat is concerned, even though it provides employment to 30 000 odd Aussies, and is still a very good airline.
I would rather be delayed 5 hours in a seat with food, entertainment and updates than be sent off to wander aimlessly around an airport spending money, wondering what the hell was happening and then going through a re-screening process.