Great rant, BK, that could be extrapolated into truths that lie far beyond the Broadway stage, and even far beyond the world of entertainment.
In Psych 101, you learn about GROUPTHINK, the potential dangers when a group of people approach a problem. "Too Many Cooks" is another name for it. These Broadway shows lose their momentum and move away from their very reason for being due to overthinking and too much noise in the system. The creative arts suffer because they've surrendered the idea of a singular vision and given in to the tools of marketing and second-guessing.