What is the real point about an event such as this?

The real point about an event such as this:

http://en.people.cn/n3/2017/0114/c90000-9166776.html

is in the small print.

You bet your bottom dollar that they have agreed that if one is being attacked by the another, then the other will come in to help.

If the US, under The Donald intends to resurrect the US Vietnam War, on this second pass, China will be in on the play.