From your link: > Despite what the expression may seem to imply, a lack of evidence can be informative. For example, when testing a new drug, if no harmful eff

From your link: > Despite what the expression may seem to imply, a lack of evidence can be informative. For example, when testing a new drug, if no harmful effects are observed then this suggests that the drug is safe. Evidence of absence is at least a non-arbitrary but partial suggestion of absence.