Just read this comment by Joanne (True Blue) over at Olaf's site and it made me think of something witty as an afterthought to this (now, it's not directed at Joanne specifically - I don't know her).
Some social conservatives, when same-sex marriages were recognized legally, questioned why governments had a role in marriages at all. Why can't they like "civil unions"; it's the same thing, just called differently, they said.
Following that bit of logic, all socially conservative parents that believe that should have themselves declared "step-parents" or "guardians". It's the same thing, right? Just called differently.