The Hawthorne studies were important in advancing the idea of improving human relations in organizations. However, human relations was intended as a tool to understand organizational behavior rather than an end itself. The passage of time was a key factor in building trust and interpersonal relationships, and financial incentives still needed to be included to gain productivity. Critics argued that Mayoists viewed society as characterized by conflict and were willing to manipulate workers, failing to recognize alternatives like collective bargaining or consider unions.