Most of the tension between Gru and his nemesis in the film was because they chose to work against each other instead of with each other. Co-opetition can be infinitely better than competition under the right circumstances. - See more at: http://www.theleadershipadvisor.com/2010/07/29/5-leadership-lessons-from-despicable-me/#sthash.kaup0tMF.dpuf