China didn't want to lose the cutting edge of technology. So the idea of having a Sina Weibo was an attempt to compete with Twitter. However, it has no soul - which is freedom of expression. Nevertheless, I think the government regrets having Sina Weibo, but they cannot shut it down. That would definitely be suicidal.
Ai WeiweiFor artists and intellectuals today, what is most needed is to be clear about social responsibility, because that is what most people automatically give up. Just to protect yourself as an individual is very political. You don't have to march on Tiananmen, but you do have to be clear-minded, to find your own means of expression.
Ai Weiwei