1. This time the Chinese really felt the threat

it says that the policy is going to work - how much money these mainland Chinese researchers wasted in the past 20 years? Tons. How far have they gone? not much.

It is time to give others a chance.

2. too many cheaters and liars and swindlers were recruited in the past. Hope this time the real good ones are going. there will be cheaters, liars, swindlers too, but when a large number of good people are there, their survival rate will be low.