Seriously, can Chinese people be more of a stereotype?

Watch on YouTube

Abacus Mental Calculation competition, season 5...

We have 5 seasons of this show on the central national television during prime time broadcast. (For context, CCTV1 is a free broadcast channel that's guaranteed access to anyone anywhere in China's borders as long as they have a TV with bunny ears.)

Why are we such nerds? And why is this so ridiculously entertaining?