>You seem to be under the impression that writing efficient code is at odds with writing reliable or robust code. For a given amount of resources invested it i

>You seem to be under the impression that writing efficient code is at odds with writing reliable or robust code. For a given amount of resources invested it is. From a business perspective this includes not just the time a developer spends on a given piece of code, but how good a developer one is willing to pay to work on the code. Perhaps those making the business decisions overestimate the cost of writing more efficient code and underestimate the costs of not writing more efficient code, but they there is a cost that will be taken into account.