the question I have is why shouldn't we believe that works in these areas might not be used as justification for deterninal policies a la eugenics? what is dif

the question I have is why shouldn't we believe that works in these areas might not be used as justification for deterninal policies a la eugenics? what is different this time around to prevent someone with power from using some research results to advance discriminatory policies (even if the results are overblown, purposefully misinterpreted, etc.)? ignoring the science isn't great, but using the science as a basis for creating policy is still a very scary idea