Love your country when I was there 2yrs ago but must admit I thought the policies to inventory everything at the airport (I've never had my shoes checked for soil/mud before) was a losing proposition. It struck me that the prevailing thought was that NZ was so fragile that anything foreign could tip the scales and cause catastrophic consequences (eg. for those old enough to remember the Boy in a Plastic Bubble). Which might happen but life evolves... (which also happens)