"Art" obviously means different things to different people, but I know that in my case, and likely in the grandparent post's case, "good art" is a form of expre

"Art" obviously means different things to different people, but I know that in my case, and likely in the grandparent post's case, "good art" is a form of expression that effectively evokes emotion, feeling or idea, be they positive or negative. We might respond positively to the efficacity and skill with which that feeling or emotion is conveyed, but still be disturbed by the message that it represents.