During a unionization campaign, a company told workers that no materials related to the union effort could

Question:

During a unionization campaign, a company told workers that no materials related to the union effort could be posted on employee bulletin boards. A supervisor told a union supporter that "if we got a union in there, we'd be in the unemployment line." The union claimed these were unfair labor practices. The NLRB agreed; did the court? [Guardian Industries v. NLRB, 49 F.3d 317, 7th Cir. (1995)]