Software is a Force Multiplier [fugue: 3 voices]

Three essays on why even simple for-loop software has absurd leverage, why AI will not reduce demand for the value of SWE-style thinking, and why progress is often a latency problem. This fugue contains 3 voices: A butterfly effect from a nested for loop; AI may write the code. We still need SWE minds; Progress is constrained by latency.