Consumer NZ uses it on their CGA guidelines, the Bundle PCs/ Laptops into one and thats their "reasonable Time Frame"
Of course whats reasonable to one person isn't always to another, personally three years seems like a good run for a laptop for me.
This is what they used to display, nice little image to sum up their guidelines
Attachment 224573
This is garbage and Consumer NZ is garbage.
Dick Smith as a NZ retailer is gone. The name was sold AFAIK, but the business is long gone.
Sold to Kogan in Australia.