There was a similar line in the movie “Red Dawn” when the downed American pilot Boothes Powers told the guerrilla warfare army of US kids that the U.S. had been joined by the 600 Million people of Red China in the fight against the Russians/Cubans, etc.
At least one earthquake thinned the herd a little when it literally wiped out the oil-city of Tanjou or something like that about 15 years ago. Unfortunately these were probably good, non Party people.