Modern art suffers primarily from it's lack of accessibility to the general public; people know how to appreciate a Constable because of the realism and it's easy references to the world, and impressionist work must be approached from a very different angle to be appreciated. Impressionist paintings, like the majority of modern art, is written in a different language and you must learn that language, learn to appraoch the art work from that new direction, before you can see the art in it.
Cultural education as a whole, not just art education, is important to society, but providing the education is difficult.
Cultural education as a whole, not just art education, is important to society, but providing the education is difficult.