“More crucially, a disproportionate amount of those labelled as fraudsters had an immigration background.” Why is that more crucial than another group being di

“More crucially, a disproportionate amount of those labelled as fraudsters had an immigration background.” Why is that more crucial than another group being disproportionately labeled? Also, why is it so shocking that one group would be disproportionately labeled? Otherwise, randomly audit for fraud and stop pursuing an algorithm. The focus should be on whether the algorithm is accurate.