Anarcho-primitivism actually makes a lot of sense if you open your mind to it for a few moments. You're sort of misrepresenting it here.
Read Ishmael by Daniel Quinn.
ahh the classic argument. because we live in a world of technology, and because we believe this technology to be unsustainable, we are hypocrites and our arguments are invalid. it's a lot easier than coming up with actual arguments against anarcho-primitivism