But, it seems, that there are still people who expect "them" to change the rules so that "unforeseen" circumstances arise...
Three stranded trampers offered to pay for their own rescue but were blocked by the Department of Conservation and told they would have to make their own way out.
The trio managed to walk out of the Arthurs Pass National Park yesterday, after being trapped for three days by a swollen river, but were left feeling "quite frustrated and angry" at DoC, which is sticking to its guns.
Hamilton man Kerry Suter, his brother Nick visiting from the United States, and their friend, Auckland cameraman Dana Hemmingway, offered by radio to pay $1300 for a helicopter to pick them up as their food supplies dwindled and the nearby White River kept rising.
But DoC's policy means the only flights allowed into the park are for emergencies, and neither DoC nor police deemed the trio's situation an emergency.
Getting a bit cold, wet and hungry lads? Plenty tucker out there or you should have it with you, you're either in a hut or not far from one, and they all have fire-places.
Mountain Safety Council -
The Mountain Safety Council urged all trampers heading into the outdoors to be prepared for an extended stay by taking extra food, communications and equipment.
"Rivers are a hazard in the outdoors and swollen and fast-flowing rivers are not safe to cross at any time," a spokesman said.
"The Mountain Safety Council encourages people to be prepared to sit it out, camp an extra night or two and wait until the river goes down."
I don't need add to that.