Answer: Trained incapacity
Explanation: In simple words, it refers to the idea that after gaining a certain kind of education, skill or experience etc. the level of thinking of an individual cannot go beyond a certain limit.
In the given case, the manager was the upper level employee and was not habitual to the work that was performed by the workers in the restaurant.
Therefore this position in the workplace limited his skills of performing only the managerial work.
Hence from the above we can conclude that the above case depicts trained incapacity.
