These people as unreliable, biased, and manipulative. They will be proven as accurrate on the future of copper prices as they have been about oil prices to date, which is, in fact, completely off base. They didn't see the fall in oil coming (or avoided mention of it), and still have not corrected their charts.
http://knoema.com/prujshc/copper-prices-forecast-long-term-to-2025
http://knoema.com/yxptpab/crude-oil-price-forecast-long-term-to-2025-data-and-charts
FWIW