they fled to Taiwan in December 1949. They did not control anything except a few chunks of Yunnan.
Sins do not get erased just because of claimed democracy.
So what if India, a supposed democracy, votes that Pakistan is to be destroyed at all cost in a total war, and Pakistanis deserve to be slaves? They furthermore say that Pakistan is determined to be an evil Islamic theocratic dictatorship and a false democracy thus it is justified? Do you believe that if Pakistan fights back, Pakistan is guilty, evil and should be sanctioned forever for the audacity of daring to oppose the shining largest democracy in the world, if it wins? And that anything that Indians do to Pakistanis if Pakistan is defeated is 100% justified because they voted for it?