People high on psychopathic personality traits, such as fearlessness and impulsiveness, often refuse to find common ground. from www.shutterstock.com June 13, 2019 Why too many fearless people on a team make collaboration less likely Hedwig Eisenbarth, Te Herenga Waka — Victoria University of Wellington; Martina Testori, University of Southampton, and Rebecca Hoyle, University of Southampton Some people are better team players than others, but people with goal-oriented and manipulative personality traits can undermine collaborative efforts and affect the team outcome.