Should I spend time engaging with this guy who appears not reading, or cherrypicking statements, or plainly trolling?...

I think the one sentence explanation is that your statement is plainly racism.

Even in this post, you admitted that "This guy is under investigation", yet you are able to use a unsubstantiated charge, and blow it into China economic warfare, and label that person as "China inside person".

> that’s a lot of words that doesn’t address anything

Sure, tell me, which part is address nothing?