Warhol came from an ordinary family and he had a profound understanding about capitalism and material culture. He was probably one of the few Western artists - or artists from the United States - that could be considered a true product of his time and brought out that kind of spirit of the culture.
Ai WeiweiMan has a tendency to try to give clear reasons to be rational, but often you can see how all those reasons are not convincing and turn out to be a big nonsense.
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