Infrastructure and supply chain quality in China are on a completely different level to other developing countries. It's not really easy to break this coupling

Infrastructure and supply chain quality in China are on a completely different level to other developing countries. It's not really easy to break this coupling unless you're willing to make significant investments to partners in the new country. Samsung was forced to do that for Vietnam largely due to political instability. Now it's Apple's turn but it'll take several years to ramp up.