I don't think China should care if this crazy old guy should have a show here or not. You have so many museums in the West, and so many shows, you need somebody to show the work, otherwise it's empty.
Ai WeiweiChina 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 Weiwei