What is your expertise in this area? Are you a anthropologist??
I suspect you are just one of these sick people who like the idea mini zoos with humans in them.
These are human beings. They deserve access to modern medicines like the rest of us of the world even if you lose this precious zoo.
How are their women treated? That is the ones who don't die in child birth? Going off other primitive societies probably not great no matter what the Hollywood idea of how these societies operate and everything is great.
This sickness of how the majority of the population would never ever want to live like this if they had a choice but somehow the people living it are having the time of their lives is bizarre.
For all we know this island is just another North Korea and although I respect nations statehood I don't pretend it's somehow a moral decision not to get involved.