if files are getting managed by blobs, git doesn't really scale well with that since it stores diffs.

`bup` notionally does this a lot better, or git-lfs.

https://github.com/bup/bup

https://raw.githubusercontent.com/bup/bup/main/DESIGN

https://git-lfs.com/

git really needs textual representation for any kind of meaningful commit, and binaries totally break that.