Charles Darwin always recognized to some extent the problem of removing all vestiges of intelligent causation from evolutionary processes.
If we want to effectively explain human behavior in all its messy richness, we would do well to look beyond this box of just-so stories.
Darwinian materialism suggests that the impulse toward artistic creation is merely the human songbird attracting a mate.
Certainly, there is no logical reason why life should be wedded to the transcendental value of beauty.
The ease of ascribing beauty to intelligent design contrasts with the impossibility of explaining its origin by material causes.