(Not arguing about benefits or usefulness of unions) As an organization unions have the same prime directive as every other organization, survive (and grow). O

(Not arguing about benefits or usefulness of unions) As an organization unions have the same prime directive as every other organization, survive (and grow). One of the ways of a union to survive (and grow) is to demonstrate that it takes action and to be adversarial. So many unions tend to be adversarial. In Germany in the past especially smaller unions were highly adversarial to gain ground against larger unions in the same company ("grow").