This is actually kind of happening! (In a way) There are, at this point, quite a few git-successors that either basically or literally use gits object model -

This is actually kind of happening! (In a way) There are, at this point, quite a few git-successors that either basically or literally use gits object model - git-butler, jujutsu, sapling (iirc). It's at worst good-enough.