Eurocap,
PIONAIR already operate to 4 out of the 5 of those centres, just that its Charter only.
If Mt Cook( ANZ) hadn't mucked up their relationship with the tourist operators, (esp the Japanese by just bypassing MC when they didn't have a good load etc) then maybe there would still be a scheduled run in there and not hundred's of buses!
There was a time when there were 748's and ATR's in there all the time, sometimes 3 or 4 at a time and since then ANZ's lack of insight into this great spot has dwindled a HUGE oportunity.
