What I find particularly suspicious about the article is that there's no mention about battery technology. We have batteries that can store energy for four to eight hours efficiently right now.
I believe that there was some interesting points made, but ultimately, it is a narrow and disingenuous take on things.
https://futurism.com/electricity-generated-solar-power
Here's an article that addresses some of the concerns that were raised by the author of your article, at least in terms of the materials usage. I've not found anything about the thermal requirements for some manufacturing processes, but couldn't we use CSP or green hydrogen for the necessary processes?
Our biggest problem in my opinion, is efficiency and hitting our growth ceiling. But we don't have to have a bleak future as outlined by the author of your article.
The Honest Sorcerer blog writes in the style of doom porn, and gives off the same kind of writing energy as Ayn Rand, in terms of absolutism.