Even if "teaching the rest of the workforce how to use Git" wasn't a massive obstacle, many (most?) corporate workflows involve editing files that weren't designed to be human-readable. There are a couple of approaches out there for comparing diffs to excel spreadsheets specifically, but it's not exactly pleasant.
Considering that Microsoft perfected change control in the legal industry (ms word’s track changes), something can be done to add a degree of change control to spreadsheets.
