China has a significant interest in disrupting western control and does so without provoking direct open war by funding Iran’s funding of destabilizing forces (Houthi, hezbollah, taliban, Isis, hamas).
for context, they buy all the soy from USA and Brazil just to feed pigs because their middle class exploded and now want premium food.
see, you're still thinking under the political taking points of USA and not looking at actual data.