If it is right or wrong and more important who is most probably, hard to tell but one thing is sure,the Chinese give a s..t what the world thinks because they know protests will be limited. If for example the US would do that with a Mexican oil rig in the Golf of Mexico, the whole world would roar and storming embassy,s . when China does it like lately in Chinese Sea with Japan/Phillippines/Vietnam or Russia with Ukraine,,, a bunch of hollow political statements and big meetings with paper results at best and no effect.