Animal painting is popular again; the evidence is on YouTube. But it was popular in the Fifties and Sixties too and taken seriously by some in the art world and certainly by some biologists. Congo, the painting chimpanzee was a star.
Ever since the enclosing of the commons, there seems to have been a tendency for all grouped uses of space to reenact that tragedy on a petty scale. We have so well unlearned the communal use of space, that it is practically inconceivable; its laws and its rights are lost. Space is received by a group as a whole and in common, but its use is understood as individual and exclusive.