Both DCMV and MLs often have miscolored joints due to the different plastic used for the knees/elbows.

Genuine action figure question: Why don't they just make the joints out of the same type of plastic as the legs/arms of the figure? I assume the legs and arms are PVC as that's the most common plastic used in figures, why not just make the joints out of PVC too? I doubt PVC is so breakable that it would be an issue for many years and only if they were overused. Since PVC can be either hard or soft, why not just go for a hard PVC for the joints in the case of DCMV which uses harder joints, or soft PVC in the case of MLs since they want gummy joints?

Or is this more of a cost saving thing to avoid QC problems from mold defects right out of the factory?