> Plenty of swearing happens because the computer just won't respond or it's taking whole minutes Of course, my point was that it is usually not beneficial to

> Plenty of swearing happens because the computer just won't respond or it's taking whole minutes Of course, my point was that it is usually not beneficial to worry about performance until that happens. And when it does, improving the performance of the product becomes a project in its own right. Misbehaving parts of the software are diagnosed and fixed, usually by introducing even more complexity.