Yeah, but "outsource it to a bunch of companies who then outsource it" is literally how the economy works. The most mundane product you can imagine has a network of upstream suppliers that is essentially incomprehensible in its complexity.
Boeing used to make airplanes. Now they outsource the work of "make the airplanes" and all it cost them was their reputation.
Less outsourcing, more just doing the work please.
Think about exactly where this ends.
But sure, even in case of ore you have a responsibility to make sure it isn't being delved by slave labour.