Thanks to Hitler we tend to forget that until he made the concept unfashionable by the systematic murder of a whole spectrum of ethnic minorities, that eugenics was a highly and widely respected social philosophy for many years.
Following on from Darwin's theory of evolution, his cousin Francis Galton first championed the cause and giving the name eugenics to his work. His central premise was that the survival of the fittest should apply to humans as well as animals, and perhaps give a a prod to speed it up a bit. His baton was carried by many governments in the twentieth century who avidly sought to cull numbers by enforce programmes of birth control, genocide, and programmes of ethnic cleansing.
Of course the error here is clear to any reasonable person. The 'prod' is a judgementalism - one human making the decision to end anothers life is always subjective so is wrong. People must have equal opportunity to succeed or fail by their own efforts, and any measures to interfere with that, any human intervention that favours one group against another creates an unlevel playing field which is morally repugnant.
I believe eugenics is still going on, and capitilism is it's weapon. The increasing gap between rich and poor that has taken place over the last thirty years or so is neither an accident, or a natural consequence of greed, but a deliberately orchestrated plan that has a goal.
Our overlords know that automation has a single and inevitable outcome. No more jobs - at least none for the masses. We're seeing at the moment a program by google to do away with car drivers. What is the logical conclusion of that - how many millions of people all over the world will that deprive of work.
Elswhere, the building trade is soon to be overhauled with machines that 3D print directly from architects plans. This will effect millions more. Most manufacturing will be decimated by 3D printing, even fast moving consumer goods when food printing is cracked.
The thing that worries me most about this issue is that the capitalists who have made their money from the labours of the poor no longer have a use for them. They are unlikely to wish to fund vast social programmes so I see only two ways the situation will pan out. Billions of people will get increasingly poor and quietly allowed to die, or as we're seeing with Syria at the moment, an almost deliberate effort will be made to trigger a world war that will eliminate vast numbers of people unneeded by the ruling elite.
What we need to do urgently then is to add capitalism to the dustbin of history where it belongs and make a new start where the efficiencies of automation are shared by all and not the top one percent. I think it will be a much better place to live.