One of the points that the author misses this post (but addresses in other places) actually the cost of dealing with waste and entropy. Even if energy becomes

One of the points that the author misses this post (but addresses in other places) actually the cost of dealing with waste and entropy. Even if energy becomes incredibly cheap, there's a certain cost to dealing with waste that for now we haven't baked into economic models (because we could simply throw it away). If energy usage, no matter how cheap, keeps on growing, waste will also keep on growing.