You pointed out that common law marriage is not recognized by another state necessarily, so from a secular perspective if common law marriage is not recognized by many states, and all types of laws are not recognized from one state to the next, why should homosexual
marriage?
Supreme court rulings have shown the supreme court is not an arbiter of right and wrong
Code:
Supreme court ruled on the case Plessy v Ferguson that states could segregate by race in public facilities
Supreme court ruled on the case of Dred Scott v. Sandford that congress could not prohibit slavery and the case ruled that people who were descended from Africans could not be protected by the Constitution because they never could become citizens and were not citizens.
Supreme court ruled on the case of Korematsu v United States that the internment of Japanese Americans was constitutional
Supreme court ruled on the case of Buck v Bell that forcible sterilization by states of the mentally ill was allowed
Supreme court on the case of Roe v Wade and legalized abortion and that has led to the killing of 55 million plus people
Supreme court ruled Affordable Care Act was a tax
Supreme court struck down part of DOMA and Prop 8