People work in the system. Management creates the system
If someone can make a contribution to the company he feels important.
The most basic problem is that performance appraisals often don't accurately assess performance.
When a worker has reached a stable state, further training will not help him.
The only useful function of a statistician is to make predictions, and thus to provide a basis for action.
Absence of defects does not necessarily build business... Something more is required.