Previous discussions with interesting comments:

https://news.ycombinator.com/item?id=13916811 (111 points, 21 hours ago, 70 comments)

[flagged] [dead] https://news.ycombinator.com/item?id=13918712 (13 points, 16 hours ago, 7 comments)

I'll copy a comment by bobbles in the last post: https://news.ycombinator.com/item?id=13918791

- $0 taxes referring to income tax only

- completely within NZ tax laws

- they're paying 30% tax to Australia instead of 28% to NZ because of the AU/NZ tax agreement

- typical clickbait headline