> The "thought leader" thing was supposed to be a joke.
Yes, I got your point but it could be misinterpreted. Plenty of people are quite unaware of where these ideas actually come from, and who deserves credit for them.
You could begin with the Anarcho-primitivist philosopher John Zerzan. However, heed my comment above: a lot of the followers use this philosophy to justify horribly fascistic ideals. Take a peek at the alternatives to this such as post-civilization.