Survivorship bias is a cognitive bias that occurs when people focus on the successes of a particular group while ignoring the failures of those who did not survive. This bias can lead to inaccurate conclusions about the success rate of a certain group or the effectiveness of a particular strategy. It is important to
From Wikipedia
Survivorship bias or survivor bias is a statistical error that results from concentrating on entities that passed a selection process while overlooking those that did not. This can lead to incorrect conclusions because of incomplete data.