It is finding BOTH the positive and the negative. Some try to perpetually find the positive and some try to perpetually find the negative. Most try to find BOTH positive and negative IMO.
Definitions from Oxford Languages · Learn more due dil·i·gence nounLAW reasonable steps taken by a person in order to satisfy a legal requirement, especially in buying or selling something. a comprehensive appraisal of a business undertaken by a prospective buyer, especially to establish its assets and liabilities and evaluate its commercial potential.