Omission bias is an important concept to understand in the field of psychology. It refers to the tendency to ignore or overlook information that is not readily available or easily accessible. This bias can lead to decisions that are not based on all the available facts,
From Wikipedia
Omission bias is the moral judgement in which people prefer omission (inaction) over commission (action), and tend to believe harm as a result of commission more negatively than harm as a result of omission.