This article seems to be making a few assumptions that might not be correct. It assumes that all land is the same so it doesn’t matter if agriculture is replace

This article seems to be making a few assumptions that might not be correct. It assumes that all land is the same so it doesn’t matter if agriculture is replaced by solar panels. But this isn’t true. Some land is fertile, other land might not be. So if fertile agricultural land is replaced by vertical farming powered by solar panels in the desert, that fertile land can now be reclaimed. It could be used to grow a forest, certainly something you couldn’t do in the desert. Secondly, it assumes that there’s some limit on vertical farming. But it’s possible to build several storeys on the same land.