I've never met a manager that wouldn't rather pay four average people $100/hr to solve a problem that one smart person could solve in half the time for $400/hr. There seems to be some sort of quasi-religious belief in the fundamental averageness of humans; consequently the difference between developer salaries at any company varies by maybe 50%, whereas the productivity varies by at least a full order of magnitude. U…
In many organizations, quadrupling the number of people that report to you is worth doubling the delivery time, hands down. Number of reports is an easy measure of influence.