Exactly. Also worth studying Mao's Great Famine. Great podcast on this released yesterday: http://www.econtalk.org/frank-dikotter-on-maos-great-famine
They estimate 20 and 43 million died, if not caused by, then exacerbated by policies implemented under Mao.
"Since June 2015, all Wikipedias redirect HTTP requests to the corresponding HTTPS addresses, thereby making encryption mandatory for all users. As a result, Chinese censors cannot see which specific pages an individual is viewing, and therefore cannot block a specific subset of pages (such as Ai Weiwei or Tiananmen Square) as they did in past years. As a result, Beijing chose to block the whole Chinese Wikipedia"