I am grateful for the answers given by pro's, I am bit oriented now.
What is still a bit mystery to me what is the reason behind some strange behavior of pilots in cases like Colgan Air or AF 447 with common denominator pulling stick in a stall situation. It seems to me that there is some pattern in this and it would be worth to know. (Apparently this question is discussed ad nauseam on this forum.)
What was the state of mind, knowledge and routine of the pilots? Why would pilots act like this? How this can be prevented? Is there a problem in design - pilot/machine interface of modern a/c which may increase this risk? Is there any chance to discover personality traits which may lead to such behavior in advance?
The reason why I ask - I am in a consulting/training business for general managers and aviation case studies are perfect examples for my students.