In theory, the low correlation of commodities with traditional asset classes provides diversification benefits. (canadiancapitalist.com)
There are real risks that the paper doesn't deal with, especially tail risk, but it does point out that there is more diversification in trading strategies than in traditional asset classes. (reformedtrader.com)
The «failure of diversification» in 2008 was based on simplistic views of traditional asset class diversification. (franklintempleton.com)