'Quality' is not a scalar variable with continuous properties, where you can say the second derivative equals zero! An education system has a range of effects

'Quality' is not a scalar variable with continuous properties, where you can say the second derivative equals zero! An education system has a range of effects in society. The OA seemed to describe a system that is optimising one very narrowly focused outcome that was useful in the past but may not be useful in the future. We shall see!