You shouldn't kick people out of your group.
Rick is the leader of a group project that includes Matt, who argues incessantly with the other group members about the assignment.
Rick doesn't want to listen to Matt arguing with the group anymore.
Rick assigns each group member part of the project and tells them to work on their part alone.
Rick kicks Matt out of the group for being disruptive.
Rick's group goes to a restaurant to celebrate everyone finishing their individual parts which complete the project.
Rick's group gets a poor grade on the project because they don't have enough people to do all the work.