This is a completely ridiculous statement. The lack of something doesn't imply it can't or won't exist, it just doesn't exist yet. The idea of liberty is relatively new and we're still learning.
Up until recently you could have made all sorts of arguments about the rights of women or minorities and how another form of segregation will settle into place -- because it's "natural"
Up until recently you could have made all sorts of arguments about the rights of women or minorities and how another form of segregation will settle into place -- because it's "natural"