How is this better than doing it in Excel with copy/paste as he does now? What benefit does LaTeX bring, so that he has to install some hundreds of mbs of a Te

How is this better than doing it in Excel with copy/paste as he does now? What benefit does LaTeX bring, so that he has to install some hundreds of mbs of a TeX distro and learn the basics to work in it? Does he need elaborate math symbols or fine grained typography for a set list?