I'll make a stronger statement than James: this will not be enforced until there is massive governmental protest from the international community, and then they will publicly scapegoat one or two minor players for the press. Two seconds later, business will return to normal.

China is very reluctant to restrict *any* sector of the economy, particularly one such as this that does vague, IP-type harm (versus lead contamination in children's toys, melamine in milk products, etc.). They, in my opinion, view this particular job as occupying a lot of individuals who might otherwise cause trouble (idle hands, Devil's toolbox).

The funny thing is that a lot of the gold farmers are double-dippers that are also on government assistance (which is very widespread and abused like a red-headed stepchild).