Out of all factors this certainly isn't it. If anything, more projects could learn from the way Valhalla was handled. It started out as a highly invasive, high

Out of all factors this certainly isn't it. If anything, more projects could learn from the way Valhalla was handled. It started out as a highly invasive, highly disruptive and highly experimental branch that eventually turned into a beautiful specification that put semantics and performance payoff first and syntax seconds.