You can account for team success on the degree to which each individual in the group is there to make a contribution.
Benevolence is about a whole lot more than just being nice. People can only be dismissive of being here to give if they do not understand the complex nexus of character traits and feelings associated with it.
In the Broadest sense, there are two kinds of people, or perhaps better, two “ways of being”. Competitive or Cooperative.