Y’know, the “marriage has always been between one man and one woman” argument is kind of weak, if you ever read the Bible. Yes, we modern people don’t recognize polygamy, but when Jacob married Leah, the Bible doesn’t use a different word than “married” when he married Rachel. It says right there that he married her, not that he civil-unioned her.
“Marriage” does NOT mean the union of one man and one woman, otherwise we wouldn’t understand what it meant when Jacob married Rachel despite still being married to Leah. It would be nonsensical, comparable to saying that Jacob married a washing machine.
But according to the Bible, Jacob really did marry Rachel, and God blessed their marriage. He wasn’t condemned as an adulterer who was just pretending to marry a second woman, which would be ontologically impossible since a marriage can only mean the union of one man and one woman.
Anyway, the real reason nobody who supports same-sex marriage is willing to support civil unions in 2014 is that we’ve pretty much already won. If, in 1994, for-real civil union laws had been proposed that really truly were marriage in all but name, it would have been accepted gratefully. But that didn’t happen, many states rushed to pass laws banning civil unions for gays, and not because they were language mavens concerned about changing definitions of words.
Now that SSM is legal in more than half the country, it seems pretty disingenuous to suddenly offer civil unions as an alternative, just when SSM is within a few years of being legal throughout the country. And of course, it’s only here on the internet that such offers are proposed. No state legislatures are actually in real life proposing civil union legislation. Even if SSM-supporters would or could bindingly agree to civil unions, nobody who is anti-SSM would actually propose such a thing. The set of people who don’t want gay marriage is pretty firmly overlapping with the set of people who don’t want gay civil unions either. Oh, there are a few, and I’m willing to take anyone who professes to be anti-SSM but pro civil unions at their word (I’m generous that way). The problem is that there are not enough of such people to form a constituency powerful enough to actually enact civil unions throughout the country.
Yes, there are people who are pro-SSM but would be willing to settle for civil unions if it was clear that SSM nationwide was impossible. But it doesn’t seem like that’s going to happen, right now in 2014 it looks like within a few years SSM could be legal nationally. So what’s the incentive to advocate for compromise civil unions now, in 2014? I understand why anti-SSM people might look around and suddenly discover that they were in favor of civil unions all along, but it’s not going to happen, even if they were serious, which they generally aren’t.