Every application is dealt with individually, so the evidence provided will be checked through.
However, the application will bring up on the computer details of your wife's past history and connection with you, so INZ are bound to be looking very carefully to see if she has strong links in her home country, and a place to go back to, because of the Bona Fide requirement.
https://www.immigration.govt.nz/new-...tity/bona-fide A visitor's visa is NOT a catch-all for a situation when someone doesn't qualify for any other visa - it is meant for temporary trips at the end of which the person will go back to an established life somewhere else (unless INZ decide to grant it in full knowledge).