Artists that created pictures in various certain times were not been able to clearly express themselves to people. Even today, some of them are considered as lunatics. But it was not their fault. Some of them were mentally ill, some faced problems with self-expression or been defective in speaking aspect. Anyhow, drawing a picture is the sort of message. That supposed to be heard, listened or viewed. The method of communication to people. Would people decide to see the masterpiece, it depends. Though, even today some of them might say that it supposed to be the highest form of art. Forget it. At certain times it was unusual for people to draw the pictures. Because they hadn’t computers. Today you will not amuse anyone with nowadays technologies we have. It is just a matter of the preferences, the right time and the right place. That is what artists.