If you wonder how Agenda 21 will be implemented, read this article. They will use the micro-drones mentioned to take anyone out left in an area deemed off limits for habitation.
That sounds extremist. And so do preppers in general. But on the other hand, politicians have secure underground bunkers with years supply of food and a medical staff on duty. Plus I have never seen evidence that Agenda 21 is not marching along subversively in its own time frame.