He does address that right at the end. The critique points out that when you're connecting solar panels as in the original 'tree' article, you actually get the

He does address that right at the end. The critique points out that when you're connecting solar panels as in the original 'tree' article, you actually get the performance of the worst panel in the set, since they're all connected in series to each other. If that's the case, then you wouldn't get much (or possibly any) advantage from using the tree layout versus a standard fixed position layout.