Full Idea
Immorality in art is sometimes an artistic defect and sometimes not.
Gist of Idea
Immorality may or may not be an artistic defect
Source
Stephen Davies (The Philosophy of Art (2nd ed) [2016], 8.7)
Book Reference
Davies,Stephen: 'The Philosophy of Art (2nd ed)' [Wiley Blackwell 2016], p.214
A Reaction
Davies seems to avoid the 'immoralist' view, that immorality in a work of art can sometimes be a strength. A sharp distinction is needed, I think, between the morality of what is depicted, and the morality of the whole artwork.