Will the Chinese people rise above cyber-vigilantism and use the Internet to build a just and fair society governed by accountable leaders? Or will the majority be be happy to wield their new-found powers of online speech in random fashion? That's really up to them. People like Liu Xiaoyuan and Yang Hengjun and a number of others have been raising such questions. It's hard to know whether people beyond the elite intelligentsia will pay attention to such concerns.
This is why the suppression and censorship of Cultural Revolution history in China is so dangerous. If people could freely write and debate about what happened under Mao, history would have less chance of repeating itself.