Given that the vast majority of globalists, libertarians and neo-liberals advocate for, and actively engage in, the destruction of welfare-state economies, your entire hypothesis falls down at the first stage, meaning your claims of state sponsored eugenics are baseless. Some evidence supporting the first point would be a good place to start a discussion. For example, show us some states where this is happening right now. I can't think of any in the developed world. Throughout the developed world, which is the home of most of the people you speak of, governments are routinely ignoring the best interests of their populations, and rational economics, and dismantling the state support that took so many years to establish. And they're doing it in the name of free movement of capital and globalisation...
RE: 4 Reasons The New World Order is Destroying Western Civilization