Never interrupt your enemy , let them carry on. That's correct, that's the Art of War. Let them learn a lesson ?That's utterly imponderable ! If you ever wish to end the War soon, the demise of your enemy is ultimate conclusion. It is not by allowing them any chance to learn any lesson where they would soon recover and attack you again. Isn't that logical ?
Try asking the Indian to accept CNY as the currency for transaction. Many countries may not like USD at all, but they would even more dislike CNY because It's associated with the CCP. Political issues overrides everything else. This is what Chinese and not just communist Chinese people grossly underestimate.