Rationalization is the process of constructing a logical justification for a decision that was originally arrived at through a different mental process. Example : attending an life drawing class pretenting only going there "for art sake" while the actual goal is to stare at nude model.
This process can be in a range from an external defense against ridicule from others to create a block against internal feelings of guilt.
Henri Matisse, Art is the greatest unsolved mystery
When the most important purpose of a work of art is to raise questions, the art class model raises her hand.
How many vine drawings make you drunk?
Capturing a living image on paper
Fig leaf are stylized representation of a leaf from a fig tree (or vine) used especially to conceal the genetic organs depicted on sculptures of nudes.
A reference to "fig leaves" might suggest something that camouflages insufficiently. This is why people do not believe in art.
Aesthetics of art is used to conceal what should be seen.