That's what the comment is saying. In normal repositories, version control acts as a record of the momentum of the direction the product was taking. If it's jus

That's what the comment is saying. In normal repositories, version control acts as a record of the momentum of the direction the product was taking. If it's just "_old" and "_new," the developer has to read and understand both, which I think is going to be far more time consuming than your estimation.