Of course they are. I barely have a moments existence during the day, when the legal authority of the State is not telling me how to live my life.
The State currently recognizes marriage as between one man and one woman. If the State recognized homosexual marriage, it would be endorsing that children be raised without a mother or a father. Doesn’t matter if you like that the State recognizes marriages or not.
For the last 45 years the State has given women a financial reward to raise babies by themselves. You are focused on a tiny sapling and can't see the giant forest all about you.
The breakdown of the family was caused by government intervention, not from a lack of it.
And if you are going to enforce a marriage law, will you be throwing adulters and homosexuals in prison? If not, then marriage laws have no meaning.
I don't want to be told by the state that I have to give anyone a special status because of their cohabitation habits.
The problem is that you accept the State's authority in these matters to begin with.
Women being given a financial reward by the State for raising babies by themselves has nothing to do with a society that establishes marriage as between a man and a woman so that children will have a mother and a father.