EUGENICS RESURRECTED is the battle cry, combined with fear of prejudice against those afflicted with genetic diseases, by ethicists who oppose eradicating genetic diseases. The long shadow of the barbarians of Nazi eugenics is still felt today, poisoning rational debate.
http://www.finrrage.org/pdf_files/Genetic%2520Engineering/Tailored_Genes_IVF_Genetic_Engineering_and_Eugenics.pdf