Well if the price growth continues to accelerate they are pretty close to finding out what happens to unsustainable assets prices when there is no government to keep dumping unlimited amounts of funds to keep the bubble inflated.
Chinese meet burst bubble in ..... 3 ..... 2 .....
The assumption is: They haven't found out what it is like.
The fact may well be: Because they know what sustains the Chinese economy, they are desperate to find something else to invest to, and a billion dollars is only pocket money for wealthy Chinese men.