Ah, but have you ever had to use teamwork to create a free standing model of a horse using just an A4 piece of paper and one hand from each participant?
Forget bad courses, surely the worst experiences are where some of the 'higher ups' get as many people into a room as they can and tell them why everything is awesome (but it could be better, of course), with some incredibly unconvincing 'we're all friends here!' dialogue. Happily, they do...