An employee was discharged for violating the company’s no-solicitation rule in its factory and offices. The employee had persisted in soliciting union membership on company property during lunch periods. The company argued that its no-solicitation rule would have been enforced against not merely union solicitation but any solicitation. How would you decide? Why? Republic Aviation Corp. v. NLRB, 324 U.S. 793 (U.S. Sup. Ct.).