I think what offended the CCP was in-game money being an alternative monetary-base. Perhaps it was a long long long long long way from affecting the Yuan, but being capable of sustaining an independent value meant it could survive outside state/banking system.

I've met people doing off-the-wall things in China. The authorities are quite happy to let them go about their business, providing they're honest and trying to be socially beneficial.

I think that the viability of non-state monies is a major wildcard for the banking system in the next 20 years.
http://thomasbarker.com/09/06/banking-centre-banks-periphery

Even with no changes in technology from where we are now, the average guy on the street wouldn't worry about having their current account on deposit with Amazon or Tescos.

In China, all banks are controlled by the state. I think the FUD goes mostly the other way; for example, right now the banks have been ordered to turn open the faucets:

http://mpettis.com/2009/07/rmb-15-trillion-in-new-chinese-lending-can-we-turn-this-thing-off/

But even so, getting a loan in China is still impossible for private individuals, and very difficult for private enterprise. Loans are mostly made to state-owned companies.