'Equal,' or 'identical?' The former implies an equation in terms of absolute 'goodness,' while the later merely implies a concurrence of kind.
If you are going to rag on same sex 'marriage' as not being truly 'marriage' for any of the reasons you state, then you also have to discount many heterosexual 'marriages' as well.
The problem is that for one half of our society, the meaning of the term has changed radically over the past century and for the other half it hasn't changed a wit. As a result, the laws have grown confusing and contradictory and there is no longer any easy way to reconcile the terms.
If you are going to rag on same sex 'marriage' as not being truly 'marriage' for any of the reasons you state, then you also have to discount many heterosexual 'marriages' as well.
The problem is that for one half of our society, the meaning of the term has changed radically over the past century and for the other half it hasn't changed a wit. As a result, the laws have grown confusing and contradictory and there is no longer any easy way to reconcile the terms.