"Don't look at what we're doing over here, look at these other people over there."
It's equivalent to a direct admission that what China is doing is wrong and you know it. Presumably if you could actualy defend China's actions, you do so instead of changing the subject.
Your response is implicitly an acknowledgment and approval of previous US actions as well... I don't think we can deny that these things happened. The West has the privilege of saying it happened in the 1800s and brushing it under the carpet.
"Don't look at what we're doing over here, look at these other people over there."
It's equivalent to a direct admission that what China is doing is wrong and you know it. Presumably if you could actualy defend China's actions, you do so instead of changing the subject.