No one is talking about morals here. They are just limiting how much of someone else's garbage they are cleaning up. They are creating it, that's true. But the

No one is talking about morals here. They are just limiting how much of someone else's garbage they are cleaning up. They are creating it, that's true. But the buyers (i.e. developed nations) know very well that the stuff they're asking them to produce is harmful for the environment, so their hands are equally dirty here. When demand goes down, so will supply.