They don't want to exacerbate racial disparities, which is noble. They could have used that as their sole justification, but for some reason they also try to say that the crime datasets are inaccurate. Their reasoning for this is surprisingly weak. Regarding the National Crime Victimization Survey: "And there are troubling signs of this [racial bias]: in the 2019 survey, people reporting crimes were more likely to describe their offender as young, male, and Black than would be expected given the representation of those groups in the population."