There are billions of Chinese.
There are bound to be a few intelligent ones.
The most intelligent fled.
Their children are the ones obtaining high marks in your kid's school.
It doesn't take genius to learn things and absorb intelligence (garnered by someone else) rote.
It takes genius to create.
The Chinese DO NOT create.

....right...

paper, gunpowder, porcelain... definitely not creative...

The origin of one is debatable. 2 out of 3 ain't bad. It's been awhile, they must have taken some time off.