What makes you believe the game is even recognized in the South Island of NZ?
And a further question; what is a NZ side (warriors) even doing in an Australian based competition; when foundation clubs were made to merge or fold?
The inclusion of the NZ Warriors did not cause the forced merger of clubs in Sydney.
It was the ridiculous logic of Super league and their followers and a very poor agreement negotiated by the ARL with the SL people.
The overall benefit of the game is the mainstay of having NZ involvement in the NRL although I would like to see it called the Australasian RL. The American NFL have teams from other countries competing in their comp and so do other sports competitions.
Anyway, the lack of club sides and dilution of the Sydney clubs is a very worrying path and that is toying with generational loyalties that exist not only in Sydney but around Australia!