We do, it doesn't change anything in OPs statement tho. What's the point?
GP
> but *figuring out that formula* has already happened.
Me
> It seems we are *constantly changing* the cement formula.
You
> doesn't change anything
Really?
OP makes the classic error to assume that A) physical engineering isn't changing; B) computer world is analogous to physical.
By the time the bricklayers are there to start on the project, most of the time the choice of cement mixture is already made. For most projects, a standard cement mixture is used and a custom one isn't even needed.
When issues do arise during the project, an expert is brought in/consulted. Standard cement formula's might change over time, for varied reasons, but it's not the bricklayers that keep themselves busy with that.
The same hold true for most IT projects.
I got serious doubts about this. It seems we are constantly changing the cement formula.