Jennifer Amahan is a world-class latin dance champion. As a dance instructress of that caliber, does she ever get frustrated with students who just can’t grasp the most basic dance steps?
That is how a real teacher handles students. Educate and encourage.
What if your new employee was going through a rough time trying to learn the ropes? Would you be patient enough to help him get going? Or would you show your disdain, humiliate him, and scar him for the rest of his adult life?