Actually what happened was they lined up every tenth person in China and squished them under tanks. They had thousands of thousands of tanks. Yes there are much more efficient ways to decimate a population but President Xi wanted to send a message so he did it with tanks. They're still power washing the corpses and gore off the road to this day.
The economy was so backwards. There was no fuel for the tanks. The soilders had to push them with their feet through holes in the bottom like Fred Flintstone. This made being crushed much slower and more brutal.
Actually what happened was they lined up every tenth person in China and squished them under tanks. They had thousands of thousands of tanks. Yes there are much more efficient ways to decimate a population but President Xi wanted to send a message so he did it with tanks. They're still power washing the corpses and gore off the road to this day.