We've now got 2 NZ parties with a realistic chance of getting MPs, who have policy for some kind of minimum income/ UBI. The Greens, with their Income Guarantee;
(EDIT: maybe not?)
... and Opportunity with their Citizen's Income;
https://www.opportunity.org.nz/tax-reset
The potential benefits of this seem fairly obvious, so I think the sticking point for most people will be the cost. This may seem counterintuitive, but it may actually cost less than what we do now.
(1/?)