Philosophy 360: Business Ethics. Chapter 8. American Free Enterprise. Individuals are free to pursue perceived benefit to themselves. This is only rational.
Precision (only but not all)
Recall (all but not only)
Consider an analogy to a birdhouse. The designer must select the size of the entrance hole. If she makes the hole large enough, all sparrows (for example) will be able to enter. A birdhouse designed in this way has 100% recall, that is, it selects all sparrows. However, it does let in some skinny hawks, so does not maximize precision.