@Calarius

Keep in mind that most of the gold farmers you are probably referring to (namely ones that farm for gold sellers that sell to players in the West) play on NA and EU servers, otherwise they wouldn't be able to sell gold to you in the first place. This won't affect them at all since they are already playing with a NA/EU client on NA/EU server unless they great firewall of China all of a sudden decides to block those connections. In other words, those people did business with Blizzard in the US and Europe, not necessarily Blizzard/the9 in China.