Why do we need Fairtrade in gold

But why? Why do we need Fairtrade in gold. On a recent visit to Kenya and Tanzania with Willie Hamilton, we witnessed first hand the extent of the corruption, systemic mercury usage, exploitation in trading, poverty and dangerous working conditions that millions of small-scale miners work in. The human impact of jewellery is huge, with the overwhelming majority of people in mining classed as artisanal or small-scale and in many cases earning $1-2 USD per day.
http://blog.gregvalerio.com/2014/07/15/fairtrade-gold-its-easier-than-you-think/