But it's true, it's nothing new that decisions about what movies are to be made, and how they're to be made, and who's to be hired to do what, and whether you hire somebody to do their job, or whether you hire somebody to fill a position and you tell them what to do.
I mean, making simulations of what you're going to build is tremendously useful if you can get feedback from them that will tell you where you've gone wrong and what you can do about it.