It does look sort of like China was looking for an excuse to rally, but that's how these things go: bubbles attract attention, which attracts many strong hands and many more weak hands...some of whom become strong hands as their position prompts educational interest. In the end the price level is much higher, even after the "burst" (see 2011 and early 2013).

In other words, it looks like sentiment drove Baidu Jiasule to accept bitcoins, rather than their acceptance driving sentiment. The Baidu story isn't what caused China to catch the Bitcoin bug; it's proof that China has caught the Bitcoin bug.