Gmail blocked in China 12 years ago
You misjudge the nature of Chinese political control; awareness of human rights organizations is not the issue.
Apart from a vocal minority of patriots, most people are quite aware of the lack of democratic freedoms, crackdowns of dissidence, or restrictions on speech. But most people are very satisfied with the prosperity of the status quo. Case in point: in response to the very public Umbrella Movement in Hong Kong, the Mainland Chinese response was either "meh" or that Hong Kong people were overly optimistic that the Chinese government would allow universal suffrage in Hong Kong. Source: HK national.