Git’s diff engine has a new heuristic for clarity in version 2.9. Diffs primarily show changes, additions, and deletions, King explained.

We love Git. We know everyone has their favorite version tracking tools. But even those that don’t care for Git should see the value of getting meaningful Diff data from tracking Eagle layout… ...

Another is that they didn't have to learn how to use git commands. The downside is innumerable regressions as emailed commits overwrote previous code without a merge/diff/conflict process.