With no government....nothing would still stop people from holding the views of the dark ages still...and nothing would protect the minority from the mindless mob ...over the course of the last 20 years or so.,gays have gained more and more protection and freedom from the majority...by legal protections from the court to protect the minority...and also by voters voting to ensure those protections..
The non-aggression axiom protects them along with PDA's to enforce the non-aggression axiom...