We received written evidence from the Child Poverty Action Group and from the Public Law Project expressing concern about the potential unfairness of machine learning, particularly with regard to vulnerable claimants and people with protected characteristics.70 We asked DWP whether it understood the concerns of people who have warned of unintentional bias in its use of machine learning. DWP assured us it shared these concerns and that is why a human always makes the final decision on whether to make a benefit payment.71