An island is a fixed and finite piece of geography, and usually the whole place has been carved up and claimed.
People write about getting sick, they write about tummy trouble, they write about having to wait for a bus. They write about waiting. They write three pages about how long it took them to get a visa. I'm not interested in the boring parts. Everyone has tummy trouble. Everyone waits in line. I don't want to hear about it.
Gain a modest reputation for being unreliable and you will never be asked to do a thing.
One of the things the 'Tao of Travel' shows is how unforthcoming most travel writers are, how most travelers are. They don't tell you who they were traveling with, and they're not very reliable about things that happened to them.
A place that doesn't welcome tourists, that's really difficult and off the map, is a place I want to see.
Tourists don't know where they've been, travelers don't know where they're going.