The essay presents a counterargument to the statement 'Success is rarely dependent on one person.' It suggests that leadership is essential for team success, using Tuckman's stage of group development as evidence. The four stages - forming, storming, norming, and performing - highlight the leader's role in guiding teams through challenges, planning work, and tackling problems. Ultimately, the essay concludes that leaders are vital to the success of individual members within a team.