“George said that the definition of marriage has slowly eroded in recent decades, citing the rise of no-fault divorce as a reason it has transformed into a mere form of companionship.”
Bingo! To campaign against same-sex marriage without addressing the underlying erosion of marriage via the divorce laws is an exercise in futility.
Actually, I thank God for modern divorce laws, for otherwise, I'd still be married to a raging, adulterous Charlie Uniform November Tango.