It's not how hard you have been hit. It's how you move on after you have been hit.
More often, employees are expected to contribute to the performance and success of their teams. While it sounds great on paper, it isn't all that easy to work in a team, since often team members differ in style, attitude, commitment and work ethics. Often teams get bogged down in blaming members when things go wrong.
A good leader does two things to stop the destructive team behavior.
First, eliminate blaming language and replacing blaming and finger-pointing comments with a focus on solving problems, or preventing problems.
Second, if other team members get into the blaming cycle, then s/he steps in and "turns" the conversation back to a constructive approach