Managers want to optimize their resources by loading them up and have them do more on the priority list to satisfy the executive suite. The optimum load is approximately 2 projects – one large and one small.
So-called “Waterfall” or “Phase-Gate” product development methodologies often give management the illusion that they are under control of the project, while they are actually just meddling and slowing it down.
Companies are producing the wrong results, because they’re measuring the wrong things. If you want to ensure long–term success use short-term predictive metrics to quickly inform you that you’re on the right path.