You are very badly informed. Nowadays plenty of Chinese returned that even included Chinese american scientist. If China is really so bad, why would these highly paid talented Chinese american wants to return to China? Many Chinese just goes to US to study and many have returned. Now is 2019 and no more 1980 where many Chinese wanted to migrate. Even many Chinese who get foreign passport are just for sake of ease of travelling. They still stay in China and contributed many. Go google Jet Lee of his history.
As for destroying religion and race, you better stopped listen to CNN, BBC smear lies.
China granted religion right and protects all religion. Go ahead and live with your delusion that China destroys religion.