Except you don't get nice per-file history, which may not be important to you, but if it is, then using git is certainly not "the worst possible way of versioni

Except you don't get nice per-file history, which may not be important to you, but if it is, then using git is certainly not "the worst possible way of versioning your home besides, possibly, making a zip of your whole home directory every time you would otherwise to a commit". Filesystem snapshotting also makes it more complicated to sync your dotfiles with machines that have other filesystems.