Crafting means traded commodities, which means farmers, which means
hordes of Chinese prisoners being forced to farm (link), which means a bunch of asshole Chinese gold-sellers.
Crafting means hordes of zerglings running around going "ZOMG GUYZ HAZ NE1 SEEN THE YELLOW POPPIES?/! I NEEDZ IT FOR PLASMA GRENADE RECIPE!"
In short... no thanks.