Why is it meaningless? Lots of people use Git on MacOS and Windows. I'd even be willing to bet that there are more people using Git on MacOS and Windows than Linux.
Of course, you should still update because you're a config change away from being vulnerable, but GP's point of it not being a big deal if (and only if, don't know if that's correct) nobody uses it stands.
Seems like a weird edge case to me. I guess Apple and Microsoft should push out OS updates to cover it.
That said, I did snicker at the comment :) I had no idea it was that old.
The "junctions" are unusable as "windows symlinks".
For one, you can't create any as a normal non-admin user without specific authorization by default.
I don't think this is true at all. Too many things will break if you turn this on.