I love this thread!
Best post today:
"Interaction in the bus hardly determines the level of CRM in the professional working environment."
With the very greatest of respect, like hell it doesn't!
What happens when the most junior, youngest and least experienced member of the crew notices something is a little bit wrong, that maybe isn't anything anyway, but doesn't have the confidence to report it, for fear of incurring the great Captain's wrath?
Go and learn up on neurolinguistics. Capt Snafu has it spot on. Did anyone ever teach you guys that 90% of communication is non verbal?