At the moment, the NZ government has closed the borders to
almost everyone, and therefore visa processing for those overseas is not happening, as you will see here.
https://www.immigration.govt.nz/abou...de-new-zealand And here are the few exceptions to that situation.
https://www.immigration.govt.nz/new-...zealand/slider under
Critical Purposes to Travel.
This is beyond anyone's control - there's nothing an individual applicant can do, and it's not INZ's decision either. Actually, at the moment, much of NZ's lockdown level has recently been raised again, so many of the INZ workers aren't able to go to work in their offices.