Where is the evidence? Just listen to the IT people themselves. They are in break-fix mode. They are spending on support and security, not functionality. Typically 80 percent of their budgets go to maintaining current
systems. For them, Gartner offers a dark prognosis, saying: "As caretakers of inflexible infrastructure, the IT department is doomed."
Software-as-a-service is booming because any non-core competency that can escape the grip of the corporate IT department, will escape, as IT fails to respond to needs of the business line managers. A corporate business unit or small enterprise can run many processes online using subscription services. Even open source is a form of "self-help" for avoiding the politics and bureaucracy of corporate IT, sometimes seeded from within IT itself.