I see two options: 1. They're ignorant and follow a fallacious "appeal to nature" mentality. They seriously think that some sort of return to nature will resul

I see two options: 1. They're ignorant and follow a fallacious "appeal to nature" mentality. They seriously think that some sort of return to nature will result in a utopia instead of disease and famine. 2. They're Malthus apologists who want to cause an energy crisis and cause people (who aren't them) to die. It also overlaps with the anti-GMO types.