TL;DR; By "destroys people" he means "destroys their relationship with nature" and causes a sedentary lifestyle which leads to "industrial-scale afflictions of

TL;DR; By "destroys people" he means "destroys their relationship with nature" and causes a sedentary lifestyle which leads to "industrial-scale afflictions of cancer, mental illness, obesity, heart disease, auto-immune disorders and food intolerances". He should probably use technology to look up the actual causes of some of those. As well as observe the fact that lots of people are not sedentary despite their heavy use of technology.