Civilizations die from suicide, not murder.Precisely.
There are valid, libertarian reasons not to accept everything that is claimed to be a libertarian cause (e.g., sodomistic "marriage," abortion on demand, and absolute freedom of speech). Those reasons are libertarian in that they go to the foundation of liberty, which can exist only in a civil society founded on the mutual respect, trust, and restraint that arise from the observance of socially evolved norms. The undoing of those norms by the state in the name of liberty is a form of civilizational suicide.
Related posts:
"Rights and Liberty" (12 Dec 2007)
"Optimality, Liberty, and the Golden Rule" (18 Dec 2007)