Human Issue
The human issue with SASE is that human learning has a framework incompatible with the pace of the market. The previous model for software development was the waterfall or linear project plan that allowed for the distribution of work between teams of various skills. Inevitably, each team worked at different paces, with different approaches to solving challenges in their portion of the project. As the project timeline passed through each phase of development, the would-be product became more incompatible, which required significant labor, time, cost, and testing to resolve the issues.
The standard approach, while comfortable to skilled humans, consistently fails to meet the intersections of cost and market timing to be an effective killer app, while lighter and less feature-rich, inferior products hit the market in a massively profitable manner. These lesser products run proverbial circles around the more robust, correctly designed, appropriately staffed, and well-funded...