My opinion is that a topic like this was covered here:
www.abovetopsecret.com...
As to your question, I believe that they have not evolved to a "more sophisticated" level because they do not need to. I mean, they have everything
they need and have been surviving like that for the longest. Look at the Aboriginies of Australia for example. They probably have no desire to have
a western influence on their culture. In my opinion they'd be better off without the corruption.

