There are, of course, not 20+ levels of management. The average fan-out in the federal government is 1:7 to 1:10, with ~2.5 million employees total. That stron

There are, of course, not 20+ levels of management. The average fan-out in the federal government is 1:7 to 1:10, with ~2.5 million employees total. That strongly implies 7-8 levels of hierarchy, on average.