– If IBM’s supply chain expertise is so good — why does IBM have so many slow and inefficient internal processes? This is absolutely spot on. The second point i

– If IBM’s supply chain expertise is so good — why does IBM have so many slow and inefficient internal processes? This is absolutely spot on. The second point is a bit of a curse of "the carpenter's children have no shoes", but an important point that companies like SAP have counteracted lately This is very true. Accenture and Microsoft are infamous for weak internal systems. This is in a larger part because their best developers are working on external facing systems. And to your last point... Wall Street is build on Excel. Now THAT is scary!