Nobody has delivered proof that “the history between commits” matters.
The thought that it matters is intuitive, and yet where is data that supports the claim?
Project Xanadu is computing's most famous vaporware. Ted Nelson imagined a system that kept every version of a document, hypertext links that knew source and destination, and quotations kept by reference. Everything would be "intertwingled".
It sounds a lot like Delta + DeltaDB
