SeeRoy: Richly ironic.
Indeed it is richly ironic. But the irony was, I think, intentional.
He had a quality photograph taken by a pro with pro equipment. He copied it with his iPhone camera, thereby inserting a truly good photo into his piece, while maintaining the "purity" of an iPhone only piece.
The iPhone was able to faithfully recreate the depth of field, but only becasue it was in the object being shot!
Not a grey cat as defined.