They're not going to end it for many reasons, largely because Christians would cry and kick off about it, but if people want to get married then they can and should be able to do. If you don't want to get married but have the legal benefits you could just get a lawyer and write a contract out with your partner and legally share your stuff and you can also leave your money or possessions to them in a will. Let those that want to marry in the eyes of the law and everyone else can do what they want.