> Some libertarian economists noticed that endless growth demands slavery-like conditions and the economic collapse one way or another. Which economists? That

> Some libertarian economists noticed that endless growth demands slavery-like conditions and the economic collapse one way or another. Which economists? That doesn't sound libertarian at all. Libertarians who support UBI typically do so because they see it as a pragmatic alternative to inefficient welfare systems. They certainly wouldn't support abandoning market based economics.