Jati atroouction to sociology Stark's Response: Replaceability a way of defining functional importance independently of rewards avoids problem of tautology those who are least replaceable command the highest rewards those who are most replaceable receive the lowest rewards But does this have anything to do with function any more?Stark’s Response: Replaceability • a way of defining functional importance independently of rewards • avoids problem of tautology • those who are least replaceable command the highest rewards • those who are most replaceable receive the lowest rewards • But does this have anything to do with function any more?