Why is libertarianism so infallible?

Libertarianism is the inclusion of every sapient being into the decision making process and all that logically follows from that. Utilitarianism is the objective of ensuring the most happiness for all sapient beings and all that logically follows from that. Sometimes they compliment each other, other times they contradict.

Discuss.

>>206
Confronted with your entirely valid and watertight argument I have no choice but to accept defeat. Or I could just go "BAAWWW LIBERTARYANISM SOSHALIZM STATISM HURR DURR YOU'RE A RETARDED RETARD BAWWW". Give me some time to decide....