why should China take Australia's shit? For some fucker in Queensland whod sooner see them blown to kingdom come? Also you're whingeing about them not buying your coal anymore? Come talk to me when they start bombing you

edit: in retrospect I apologize for being a bit mean. I understand you were trying to make an internationalist argument, since the working people have no country. Unfortunately we still operate under the realpolitik/nationalist framework, where political actors see everything as a zero sum game and any perceived or real slight that's ignored results in losing face. So China had to show Australia that it was not one to mess with, lest its reputation is damaged. Even if innocent ppl in Australia are harmed.