"Many Aussie airlines have serviced NLK over the years, some more successfully than others. But they all either went broke, or moved on to more profitable activities."
Because the regulatory burden from CAsA's cr..p regulation just makes any sort of RPT service unviable, its called "unaffordable safety".
In a couple of months with part 61, even more unaffordable, the Kiwi's can manage because they have sensible reg's.