Imagination breaks the physical appearance of artworks in an attempt to inch towards reality.
Contemporary naturalism sticks to the physical appearance of nature knowing that photography is as fictional as drawing.
Drawing has an idealistic truth that transcends whether or not you have actually see showing understanding of the processes.
Remembering that an empty canvas is a living wonder, far lovelier than certain pictures. E.T. Jaynes transformed the foundations of probability theory by insisting that probability is not about physical randomness. It is about what we know. The battle of the arts metaphor is no idle one.
We are what we look at. Drawing nature step by step. That is why.
Neither success nor funding in the arts is ever won without a struggle. Given a set of constraints, the best probability distribution is the one that maximizes entropy, subject to those constraints.
Paint what is real to you. The dose makes the poison.
Art spirit seeing the painting as it exists as a physical object.