[kls]

Actually alot of your really large codebases are internal facing projects. Like airline management systems or hotel inventory and allotment systems. They are generally found where there are deep technical problems and usually require complex workflows to manage. Complex workflows are where you will see a lot of JavaScript utilized. In the consumer web space, generally we try to simply interfaces and reduce the complex nature of tasks. In the corporate world, generally the user will be skilled in the complexities of a UI designed for power users. It is the reason that in some organizations the console or green screen apps still exist. For certain tasks once trained, keyboard based navigation console systems are optimal and save organizations 100's of millions of dollars.