The Sydney Morning Herald summed it up nicely:
COULD it be that Jetstar has become the airline world's version of the cuckoo? A bird that is always short of time, the cuckoo lays an egg in another species' nest before scarpering. Not surprisingly, given its parent's demeanour, the oversized offspring has some nasty habits of its own.
Once hatched, it systematically ejects the other eggs in the nest, thereby enjoying the complete devotion of its adoptive parents, who appear oblivious to the fact that their fledgling bears no resemblance to any other bird in the neighbourhood
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A great airline, but a lousy business