To begin with, there was no need for his exotic plane trip to...

To begin with, there was no need for his exotic plane trip to Africa to conduct his so called extensive research. In fact, all the info was within a few key strokes into Google.

As a matter of fact, the article was written having in mind exactly what the gullible reader would do..that is Google the word "Africa" for the very specific unit cost of production of this commodity (which anybody knew was copper) and up comes DML !

Another hint, there was another copper story publish by the same author the week not long before that article.

Who cares whether he says he buys them or not. It's a bit like someone who tells you purposefully "I never beat up my wife".