'union people' - you mean people who collectively bargain their labor? Do you honestly these people who organize with co-workers to equalize the power imbalance between them and management are a certain kind of 'people'?
Are you one of those people who clutches their pearls and tells on your co-worker to management for discussing how much money they make?
Are you one of those people who clutches their pearls and tells on your co-worker to management for discussing how much money they make?
Those are definitely a kind of 'people'.