 Ferguson points out that in the subset of unfair transactions where \(A\) gains unfairly from \(B\) and \(A\) knows he gains unfairly from \(B\), we can blame \(A\) because \(A\) satisfies epistemic conditions for moral responsibility. And, of course, the scope of exploitation is constrained by the addition of this knowledge requirement. However, knowledge may be too restrictive for two reasons.