Yes it's clearly not fit for purpose.

Unless you have insurance (which I hope you do) if you got struck down bu one of the dread diseases you'd be unlikely to afford to rent a kainaga ora house.

Because you have a housing deposit you's not elligible for Accomodation supplement leaving you witb $342 a week. Take away 25% rent you're left with $264 per week to cover everything food, bills, utilities.

It doesn't take much to overset that. One disastwr in your life and suddenly money is supeertight.