How does it happen? It is more easy than one might think. Proper that needs to be broken is broke to begin with. All it takes is to shout when everybody else is quiet.

How many screws? Come again?

Here’s the manifesto that landed the 2010 Nobel Peace Prize winner in Chinese prison
http://uk.businessinsider.com/heres-what-landed-liu-xiaobo-in-chinese-prison-2015-2?r=US