In the last two years, the three leading public cloud service providers, AWS, Google and Microsoft did something that may compel us to reevaluate our assumptions about the business of cloud. From an IT service provider’s perspective, the argument for adopting a cloud delivery model is its significant cost structure (economic) scalability advantage over legacy IT managed service and hosting models. This tenet has sustained an almost unquestioned advocacy for public cloud as the ultimate digital service business model and the inevitable destination of enterprise IT and industrial workloads and applications.