Maybe try not being a disingenuous condescending western imperialist nazi apologist?
Really says it all by the focus on “winning”. Doesn’t even care what is right or using different viewpoints to get to the truth of a matter. That’s explicitly engaging in bad faith.
China also supported Khmer Rouge and then attacked Vietnam for stopping a genocide so it’s a messy situation that anyone trying to make “tankies” look bad can twist.