On the flip side, that's not how perf work is done in the real world. Start with a simple implementation that's easy to maintain and easy to understand. Run pro

On the flip side, that's not how perf work is done in the real world. Start with a simple implementation that's easy to maintain and easy to understand. Run profiling, don't guess. Iterate and make it better. Devs worrying about big-O cause issues, too, no matter how good the intentions. CS itself isn't harmful, just one of many tools in an engineer's toolkit.