To be perfectly clear, other generals had no such qualms. Many hundreds to thousands of student protesters were massacred by the Chinese Communist Party's People's Liberation Army tanks.

https://en.wikipedia.org/wiki/1989_Tiananmen_Square_protests...

Edit: To address latincommie's claims based on one of 250k "cables" (meant to be quick reports without much vetting) from that Assange/Manning leak: I think that a plausible explanation here is deception from PRC counter-intelligence. Chile was in a state of flux at the time, to say the least.