When talking about "cats" many people would prefer people not least because of the cowardly lion. It's a cute stance Make it become loved by many people, and for the open shop, cat owners to participate on the dining table.
When you speak of "a cat." Many of them, it is not least because people prefer to plead with the excretion of a gesture of a cute love it to become a one of the many people and the restaurant is open for CAT to participate on the table.