Legal rights associated with civil marriage are determined by the states, and the conservative position is to support state and local government instead of legislation from the national court. Consider what might have happened had the SC refused to hear Roe v. Wade and left that issue up to the states.
More relevant to this issue: Consider what might have happened had the SC refused to hear Loving v. Virginia and left that issue up to the states.
It’s the Loving v. Virginia opinion that started all this. Is being opposed to that opinion allowed here?