This is factually false.
What exactly was claimed to be a fact and how do you know it's false?
Primitive life is pretty great if you have low population density
Um. Really? What do you call primitive life, then? Does it include contemporary medicine, for example?
"This testifies to nothing other than the fact that those who recommend the satisfactions of living in harmony with nature have never had to do it." That "fact" is false, and sets up a straw man in the place of the views and preferences of people who know what they're talking about.
Another month has passed and here is a new rationality quotes thread. The usual rules are: