Nor did the government tell companies how to shift their workforces to remote work, they just did it, and they did it pretty well, even though some of them had never tried it before. Some companies even introduced remote work in March, before the government ordered any lockdowns!
In doing these things, businesses have relied heavily on technology (also a product of the market) which enables far more people to productively work from home than would have been possible a few decades ago. Small, local businesses quickly pivoted to social media and online ordering to survive.
Given all of that, how can the author say, with a straight face, "None of this has anything to do with the spontaneous interplay of individual economic units that economists like to talk about." It seems like exactly that.