Everything in your account is sized for a peak that never comes, because at provision time nobody knows the load, doubling is free-feeling, and after an incident someone doubles again "just in case" and nobody ever walks it back. That's how fleets end up averaging 15% utilization. But rightsizing has a social failure mode that matters more than the technical one: the first resize that causes an incident ends the program. One latency regression traced to a downsize and every future recommendat...