That's what he does. It's worked out well for him. And Bruce Andrew Mckay of Toronto is an artist with the surest, funniest grasp of cat character I've seen in some time.
In his bio he says "Cats have a profound range of expressions, but they're so subtle, they're virtually invisible. Have you ever seen a cat smile? They can you know. They smile with their eyes. My work is inviting to the viewer. It makes people happy, and can literally brighten the room it's in. I'll leave the deep, brooding statements of despair to others. I do cats. "