In this image made available Thursday May 29, 2008, from Survival International, 'uncontacted Indians' of the Envira, who have never before had any contact with the outside world, are seen during an overflight in May 2008, as they camp in the Terra Indigena Kampa e Isolados do Envira, Acre state, Brazil, close to the border with Peru. 'We did the overflight to show their houses, to show they are there, to show they exist,' said uncontacted tribes expert Jon

I think this started kind of like this:

Jones: Steve! Steve! listen to me! I'm got a killer idea! Lets go take a giant gleaming helicopter, and fly it over a bunch of people who have never seen technology before!

Steve: Brilliant!

...

At least they didn't land and proclaim themselves gods. Because that went really well last time.

Scaring the crap out of unvisited tribes!