I have no particular interest in this subject other than I don't believe that government should be in the business of sanctioning or banning individual, legally contracted, relationships and they shouldn't be in the business of picking winners and losers based on their piece of paper. I believe every individual, for purposes of love or security or whatever other reason, should be able to enter into a contracted relationship that is honoured and respected by government and the courts. If you can enter into a contract to have your lawn mowed, and that contract can be adjudicated in court based on the terms of the contract, there's zero reason why only a government issued piece of paper validates a relationship contract.
That said, the issue here in Canada has been a non-issue for the most part. No churches have been mandated to marry anyone and never will. It's possible, in the US, where the left takes everything to extremes and goes way overboard that there will be a push to punish the religious right by trying to force them into performing same sex marriages, but I would hope they wouldn't.
The next move, if the right is serious about the so called damage this will cause society, will be for them to push to have government eliminate all benefits that accrue to those who hold paper. Tax and other law should be based on individuals and the rights of individuals. To do otherwise will open up the courts to the next wave of social, sexual, rights seekers.