If you know what you want to build and how you want to build it, then maybe I would agree. You want a crew team of a half dozen interchangeable rowers and the f

If you know what you want to build and how you want to build it, then maybe I would agree. You want a crew team of a half dozen interchangeable rowers and the fewer boat rockers the better. It might be a miserably bland social environment, and the jokes are all going to be the same, and they all have the same ideas, but they can probably work pretty efficiently because there is no translational loss between the team. The problem is that most companies don't have savvy enough leadership to actually know what they need to build. In those cases you want diversity of experience, education, culture, etc. so that you have fertile soil in which to grow your solutions.