The vulgarity of 'show' is lost on modern people.
We are encouraged to parade our talents.
Read the Book of Tea or In Praise of Shadows.
The modern trend of showing-all is depicted as being shabby and vulgar.
Then read further back in history; to Chuang Tzu and Lao Tzu.
Showing-off is seen as highly foolish; reflecting a desperate need for approval, for recognition.