My opinion is that too often we say "good enough" performance, let's optimize later if this degrades overtime... And there we are, sometimes creating time-bombs

My opinion is that too often we say "good enough" performance, let's optimize later if this degrades overtime... And there we are, sometimes creating time-bombs of performance degradation just for the sake of delivering features the faster the better... When you have to clean up and refactor other people mess because it's a clusterf*ck of "just works", you begin to appreciate some basics rules and "dont's" about doing things in software