Why focus on employee's strengths rather than weaknesses?
You have to improve, this is insufficient, there is still a lot to do. Have you ever considered how demotivating it is for employees to emphasize and highlight weaknesses? And that there are much better ways?
What is the difference between popular and professional sports?
In popular sports, the winner is the one who makes fewer mistakes. In top-class sport, the winner is the one who has maximized special strengths.
And what about the weaknesses? Weaknesses must not hinder strengths. It is not necessary to reduce them further. In areas that do not have their own strengths, "good enough" is the performance goal, paying attention and using time to develop talents into strengths and to build on strengths