Are you sure about that? Charles Chao has some very, very powerful friends. That's two very's!!!
Sina Corporation, which operates online communities such as Sina Weibo, was formerly run by Mao Daolin, who is the son-in-law of Chinese President Hu Jintao. Mao was the CEO of Sina from 2001 to 2005 and remains a close friend of current CEO Charles Chao.