It's not about that. It's about whether it's a 'stable' solution or not. It's the same reason why most of the chocolate sold isn't fair trade and there's often

It's not about that. It's about whether it's a 'stable' solution or not. It's the same reason why most of the chocolate sold isn't fair trade and there's often modern slavery produced beans in mainstream products. Calls for voluntary improvement are great, and may be heeded sometimes, but aren't uniformly reliable when there is no effective legal requirement and financial incentives point the other way.