I understand the people/person behind this wants to quickly and easily impart information, so the best format for the job is whichever one they can distribute info in as quickly as possible -- but I also see this as a sort of indictment of the World Wide Web as we know it.
This should be a website. This should be at the top of search results. This should be viewable on mobile devices and desktops. And yet, it's being shared through a proprietary office suite service in the form of a spreadsheet that can't be quickly referenced or copied without loading an entire webapp.
If you're one of the many people who wonder why Google stopped being useful, if you're one of the many people who think it's getting harder to find stuff online, here's your answer as to why. All the good, salient, pertinent, well-formed information that you want to find, is being shared like this.
This is what's easiest for people, and that's at odds with how we find content these days. This comment came out kind of half-baked, but I think it's interesting to think about, and it's not a viewpoint I see here often.