with so many demands on the instructor's time and many last minute demands it is vital that tasks are listed, prioritized and th elist constantly updated.
students expect work back promptley and it keeps a current flow of dialogue between instructor and student rather than handing back work all at once when other work has been undertaken by the students and that si where there main focus is.
having a clean organized desk at the end of the day is better for you, you rcollegues and students as yuo all face another day