Libertarianism and freedom, etc, rest upon a foundation of a well educated society with members who have enough understanding of themselves and their world to resist exploitative influences -- you are not born ready for freedom, in fact, you are born literally a baby, totally dependent for years. After years of good parenting which helps you develop self respect, values, and critical thinking, hopefully then you are ready to responsibly embrace that freedom.
Moreover, how much my perspective was changed made me realize some problems in today's society could have to do with the fact that being a parent or at least being around and being responsible for kids, was a universal fact of life for nearly all adults until very recently, but now it's possible for a young adult to barely ever encounter a child through their entire 20s and beyond. No wonder it's easy to end up with a worldview that does not account for how children can fit into it.