Each individual wants to see task information from their perspective. The person on the left in the middle is involved in four tasks each with a task team. So their task view would show the four tasks. In the real world, an individual will be involved in many teams with some team members being involved in other teams. The graphic on the right shows how even a relatively small number of people can generate complex team interrelationships. Presenting tasks based on task team membership ensures that everyone only sees the tasks that are relevant to them.