Those small islands are pretty unique compared to here. I mean, you are only talking about 10s of thousands of people in most cases. I lived in Vieques, PR for almost 2 years and not only would they shut down the power, they would also cut water off as well from the main island. It was my understanding that with potential for live wires to be down and that their infrastrure is not comparable to ours, it makes clean up both safer and cheaper. I think emergency officials are not worried about being rude when it comes to safety.