Need of team-level proactive traits (not behaviors) and their assessment (e.g., good, same, or bad) depends upon where these team-based resources are being applied and what for (e.g., purpose)?
I have studied the required traits for such a team-based organization in the context of product design & development for end-manufacturing.
However, these traits may not be limited to only manufacturing.
Take a look....
Article What Management Style is Considered Best for Team-Based Orga...