It is not just me, but clearly others have noted a trend for foreigners to die in NZ. There are two reasons:
1. Some locals are just not happy that their country is seemingly being overrun by foreigners.
2. There are a lot of foreigners driving on unsafe rural roads, engaging in unsafe 'extreme' sports.
NZ is actually a surprisingly unsafe country. There is a lot of domestic violence. One gets the sense that there is a lot of tough love, that people suffer a great deal of psychological repression, and on occasion they just explode. Whether it is the tourist who gets shot at, or burned to death in his campervan, you are advised to keep a low profile in NZ. The problem of course is that 'isolated' areas are often more sensitive to your presence than others. i.e. If there is no local business in town making money from you, expect that there will little empathy for you.
Interested in how many foreigners are dying in NZ - apparently its around 2000 for the last 10 years. Wow, that is 200 per year. I might add that there was a period in Australia, where I was inclined to feel that there was some racially-inspired attacks on foreigners, whether it was the killing of a Korean or Indian man, often taxi drivers, or the rape of a Japanese tourist in some resort town, or the knifing of some European backpackers.
There is a lot of bad press in NZ. Though I must say, living outside of Australia, matters seem to have deteriorated there as well. NZ is definitely worse.