The concept of CRM was extended to cabin crew mainly because of Kegworth. Of course it was around before, but many crew had never heard about it, were never spoken to about it, it didn't involve us. We were included in the loop after Kegworth, because that, apparently, highlighted the need for good CRM and communication between Flight crew and cabin crew.
Monkey, sorry, didn't mean to virtually copy you! Man, I'm a slow typer..