The reason, at least in part, that there was so much written for Microsoft OS was that it was such a popular OS. And as other OSes becomemorepopular then I would expect to see attention being paid to writing malware for them.
With boyish good-looks and a rebel's cred (he dropped out of high-school and races rally cars) he's become one of China's morepopularand recognizable bloggers, where the Internet is an increasingly popular forum for self-expression.