When the performance you're considering is your own machines, I wholeheartedly agree with you. But when the performance you're considering is that of your custo

When the performance you're considering is your own machines, I wholeheartedly agree with you. But when the performance you're considering is that of your customers, the story changes. The guys who wrote the story are building a monitoring product and their agent code will be installed on all of their customers' machines. Every CPU cycle and byte of RAM should be sacred to them because it takes those resources from their customers' applications.