Regular Staff Meetings Make Sense

What is the purpose of a boss holding regularly-scheduled staff meetings? Many-fold:

1. To insure that employees know what their coworkers are working on ...
2. To leverage any synergies that may/can exist with respect to that work ...
3. To build camaraderie between/among team members ...
4. To enourage greater teamwork ...
5. To provide the boss with value-added insight and suggestions ...
6. To disseminate key company information and strategy amongst team members ...
7. To clarify priorities and alert everyone to "hot" topics ...
8. To share "new information" on a pending or newly identified issue ...
9. To recognize superior effort and results ...
10. To keep the lines of communication open ...
11. To enjoy a good laugh or two (or three) ...

Why else?