[artisanCG]

<snip> There's really no excuse for it not to be in the game. Since they redid the engine, they should have redone that also. <snip>

Maybe they used the texture memory for something else. There's always an "excuse" for why something was included and something was not. Maybe normal maps take up more space, and if they did progressive dirt you'd miss out on the uniform enhancements that you've seen in the latest screenshots.