I don't think China's decision to ban Windows 8 from government computers has much to do with the end of support for Windows XP. Rather, I think this decision is fallout from the NSA spying debacle, which is very bad news for every tech company in the United States. Can China trust Microsoft after learning that U.S. corporations cooperated with the NSA in spying on people both at home in the U.S. and abroad? The answer is obviously no. The day when people placed full confidence in closed-source systems has passed.
I avoid Windows 8 simply because I find it overpriced for what it offers. I can get the same benefits from Linux, which is free. I also find that Linux boots faster and has fewer technical problems. Device drivers are installed automatically, which means installation and configuration of a Linux system takes about fifteen minutes, as opposed to fifteen hours on Windows. Also, Linux has much less risk of malware. Some people think that pirated copies of Windows are fine and dandy, but then again, some people don't read the news and don't understand what is going on in the world. Anyone who uses a pirated OS is asking for trouble. There's a reason that pirated copies are made available, and it doesn't have much to do with generosity or vanity. Somebody is making money. Just imagine the possibilities.