Even the opium wars and boxer rebellion only involved about 12% of "china proper". The other 88% couldn't have cared less.
Only wholesale individual freedom will take china down from within.
G Khan is reputed to have said that to take on "china" as it was even then, was to be absorbed and consumed, and to be as one was that not even born.
How quickly people forget that a scant fifty years ago they were eating grass and afterbirths in the midst of the worst famine in their history, after totally aborting their entire agricultural sector.
China is a mile wide and an inch deep. The trouble in the past was that would be conquerors had a half-mile worth of fuel.
We have no such useless ambitions as to occupy China, and so will not make the mistakes of imperialists in history. China's nascent infrastructure is fragile and marginal, and could basically be crippled by judicious use of irregular forces and airpower. No highways, no gas to the coast. No Three Gorges Dam,. no electricity. No power and no gas to the coast, Chinese boats and airplanes all sitting ducks, full of soon to be dead troops.