这句话的主干是Emoployees make the most contributions to a company's success.
What kind of employees?
The employees committed to their own personal success.
所以这个论点是说只有committed to own personal success 的员工才能为公司做出最大贡献
那么在issue里面就是让我们讨论What kind of employees make the most contributions to a company's success?是self-interest oriented, public-interest oriented 还是corporate-interest oriented