Earlier quoted context omitted.
Didn't world wars and modern oppression from various regimes kill many?
They did, but wars and oppression aren't an invention of the Industrial Revolution. Premodern leaders were very capable of killing and oppressing people at scale when they put their minds to it.
By some estimates, Genghis Khan was responsible for the deaths of 40 million people, and all he had were horses.
Europeans coming to North America led to the deaths of ~50 million people in the 16th century, mostly by accident.