It is just not going to happen
Having been employed at a huge "digital" customer company to manage a project to do just this and having scoped (most of) the complexities and scale and ballpark costs, I then saw the appetite of the organisation for the huge effort involved and the opposition from embedded "business managers". My conclusion was that it was never going to happen and it hasn't. I moved on and the company shovelled some more sand over their heads.
Biting the hand that feeds IT
