Agreed.Indeed, although without exception every capital project I've been involved with has said that first production was timed 6-12 months too early.
One suspects that it reflects a basic tension between project types who thrive in ambiguity and end customers who most certainly don't.
For many years I worked in the consulting trade ( for a firm currently receiving a lot of publicity!) and if I had of waited until we were 100% ready to go we would have either been beaten by our competitors or the client would have walked away