What is peculiar and novel to our age is that the principal goal of politics in every advanced society is not, strictly speaking, a political one, that is today, it is not concerned with human beings as persons and citizens, but with human bodies. ... In all technologically advanced countries today, whatever political label they give themselves, their policies have, essentially, the same goal: to guarantee to every member of society, as a psychophysical organism, the right to physical and mental health.
Eugenics has always been the escape valve of single payer socialized medicine. Havelock Ellis was writing about them as one and the same prior to the fin-de-siecle. Culling out of control population growth and the economic drain of the incurably sick has always been a part of socialized medicine.
Nine out of ten eugenicists in the 20th Century were also Progressives or Socialists, as central to the eugenic creed is the desire to engineer and centrally plan human reproduction and heredity. These were not people that believed in individual liberty. They certainly didn't believe the individual had the right to chose their own mate freely. They were statists, They were totalitarians at heart.