Effective retaliation turns a difficult HR and employee morale problem into a minor legal problem. A court case is a bad outcome for labor organizers—they can

Effective retaliation turns a difficult HR and employee morale problem into a minor legal problem. A court case is a bad outcome for labor organizers—they can never hope to match the resources their employer can bring to bear, and the proceedings can last for years. For that reason, it's a good outcome for the employer, and why you see large companies using the tactic at the first sign of labor unrest.