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 ::OMG the "we cant keep [them] in a pristine condition" statement sums up exactly what a bunch of crackpots American evangelical christians are. How dare you presume to "know" what is best for so-called indigenous peoples? If they want contact let them seek it for themselves. 
 Your statement about teaching them about fiat currency (aka 'money') speaks for itself. NTM is a disgusting organisation not too far removed from the likes of ISIS in terms of the death by disease and cultural vandalism it causes.  04:43, 1 November 2015