The article misses an important point: Google simply didn't make any money or not as much as they expected from China. They got harassed constantly and its Chinese competitors received a lot of preferential treatment from the government (e.g anti-porn raids often shut down google). 
I got this from here, but its german: <a href="http://www.nzz.ch/nachrichten/international/google_beugt_sich_chinas_zensur_nicht_mehr_1.4504247.html" rel="nofollow">http://www.nzz.ch/nachrichten/international/google_beugt_sic...</a>