I don't know if we should necessarily use slow/buggy software as examples. IMO it's very conceivable that it's written by devs who know better, but they're not

I don't know if we should necessarily use slow/buggy software as examples. IMO it's very conceivable that it's written by devs who know better, but they're not optimizing for those metrics. I've certainly been in situations where I've thought "well, I can reduce latency here by 100ms, but is that worth delaying the project by 2 days?"