Definitely a personal statement on the part of these TWO people you have picked out. How about these threads from near the top of the Living in New Zealand forum, to give a bit of balance?
http://www.enz.org/forum/showthread.php?t=28830
http://www.enz.org/forum/showthread.php?t=28830
http://www.enz.org/forum/showthread.php?t=34620
http://www.enz.org/forum/showthread.php?t=32449
Of course some people have a bad time in NZ, but others have a good time. And this could just as well be true about any group of people anywhere.